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-rw-r--r--fs/compat_ioctl.c2
-rw-r--r--fs/ext4/resize.c5
-rw-r--r--fs/gfs2/bmap.c11
-rw-r--r--fs/gfs2/glock.c71
-rw-r--r--fs/gfs2/glock.h28
-rw-r--r--fs/gfs2/glops.c1
-rw-r--r--fs/gfs2/incore.h12
-rw-r--r--fs/gfs2/inode.c9
-rw-r--r--fs/gfs2/lock_dlm.c15
-rw-r--r--fs/gfs2/ops_inode.c18
-rw-r--r--fs/gfs2/quota.c13
-rw-r--r--fs/gfs2/rgrp.c57
-rw-r--r--fs/gfs2/rgrp.h1
-rw-r--r--fs/gfs2/xattr.c23
-rw-r--r--fs/logfs/journal.c2
-rw-r--r--fs/logfs/readwrite.c3
-rw-r--r--fs/ocfs2/aops.c7
-rw-r--r--fs/ocfs2/aops.h23
-rw-r--r--fs/ocfs2/cluster/masklog.c3
-rw-r--r--fs/ocfs2/cluster/masklog.h15
-rw-r--r--fs/ocfs2/dir.c4
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c40
-rw-r--r--fs/ocfs2/file.c15
-rw-r--r--fs/ocfs2/ocfs2_fs.h2
-rw-r--r--fs/proc/base.c79
-rw-r--r--fs/proc/vmcore.c2
26 files changed, 257 insertions, 204 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index a60579b007b0..175736c282ab 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -42,7 +42,7 @@
#include <linux/tty.h>
#include <linux/vt_kern.h>
#include <linux/fb.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
#include <linux/netdevice.h>
#include <linux/raw.h>
#include <linux/blkdev.h>
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index dc963929de65..981c8477adab 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -232,6 +232,8 @@ static int setup_new_group_blocks(struct super_block *sb,
GFP_NOFS);
if (err)
goto exit_bh;
+ for (i = 0, bit = gdblocks + 1; i < reserved_gdb; i++, bit++)
+ ext4_set_bit(bit, bh->b_data);
ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap,
input->block_bitmap - start);
@@ -247,6 +249,9 @@ static int setup_new_group_blocks(struct super_block *sb,
err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS);
if (err)
goto exit_bh;
+ for (i = 0, bit = input->inode_table - start;
+ i < sbi->s_itb_per_group; i++, bit++)
+ ext4_set_bit(bit, bh->b_data);
if ((err = extend_or_restart_transaction(handle, 2, bh)))
goto exit_bh;
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 5476c066d4ee..3c4039d5eef1 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -763,7 +763,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
int metadata;
unsigned int revokes = 0;
int x;
- int error;
+ int error = 0;
if (!*top)
sm->sm_first = 0;
@@ -780,7 +780,11 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
if (metadata)
revokes = (height) ? sdp->sd_inptrs : sdp->sd_diptrs;
- error = gfs2_rindex_hold(sdp, &ip->i_alloc->al_ri_gh);
+ if (ip != GFS2_I(sdp->sd_rindex))
+ error = gfs2_rindex_hold(sdp, &ip->i_alloc->al_ri_gh);
+ else if (!sdp->sd_rgrps)
+ error = gfs2_ri_update(ip);
+
if (error)
return error;
@@ -879,7 +883,8 @@ out_rg_gunlock:
out_rlist:
gfs2_rlist_free(&rlist);
out:
- gfs2_glock_dq_uninit(&ip->i_alloc->al_ri_gh);
+ if (ip != GFS2_I(sdp->sd_rindex))
+ gfs2_glock_dq_uninit(&ip->i_alloc->al_ri_gh);
return error;
}
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index f92c17704169..08a8beb152e6 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -541,21 +541,6 @@ out_locked:
spin_unlock(&gl->gl_spin);
}
-static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
- unsigned int req_state,
- unsigned int flags)
-{
- int ret = LM_OUT_ERROR;
-
- if (!sdp->sd_lockstruct.ls_ops->lm_lock)
- return req_state == LM_ST_UNLOCKED ? 0 : req_state;
-
- if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
- ret = sdp->sd_lockstruct.ls_ops->lm_lock(lock,
- req_state, flags);
- return ret;
-}
-
/**
* do_xmote - Calls the DLM to change the state of a lock
* @gl: The lock state
@@ -575,13 +560,14 @@ __acquires(&gl->gl_spin)
lck_flags &= (LM_FLAG_TRY | LM_FLAG_TRY_1CB | LM_FLAG_NOEXP |
LM_FLAG_PRIORITY);
- BUG_ON(gl->gl_state == target);
- BUG_ON(gl->gl_state == gl->gl_target);
+ GLOCK_BUG_ON(gl, gl->gl_state == target);
+ GLOCK_BUG_ON(gl, gl->gl_state == gl->gl_target);
if ((target == LM_ST_UNLOCKED || target == LM_ST_DEFERRED) &&
glops->go_inval) {
set_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags);
do_error(gl, 0); /* Fail queued try locks */
}
+ gl->gl_req = target;
spin_unlock(&gl->gl_spin);
if (glops->go_xmote_th)
glops->go_xmote_th(gl);
@@ -594,15 +580,17 @@ __acquires(&gl->gl_spin)
gl->gl_state == LM_ST_DEFERRED) &&
!(lck_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB)))
lck_flags |= LM_FLAG_TRY_1CB;
- ret = gfs2_lm_lock(sdp, gl, target, lck_flags);
- if (!(ret & LM_OUT_ASYNC)) {
- finish_xmote(gl, ret);
+ if (sdp->sd_lockstruct.ls_ops->lm_lock) {
+ /* lock_dlm */
+ ret = sdp->sd_lockstruct.ls_ops->lm_lock(gl, target, lck_flags);
+ GLOCK_BUG_ON(gl, ret);
+ } else { /* lock_nolock */
+ finish_xmote(gl, target);
if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
gfs2_glock_put(gl);
- } else {
- GLOCK_BUG_ON(gl, ret != LM_OUT_ASYNC);
}
+
spin_lock(&gl->gl_spin);
}
@@ -951,17 +939,22 @@ int gfs2_glock_wait(struct gfs2_holder *gh)
void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
va_start(args, fmt);
+
if (seq) {
struct gfs2_glock_iter *gi = seq->private;
vsprintf(gi->string, fmt, args);
seq_printf(seq, gi->string);
} else {
- printk(KERN_ERR " ");
- vprintk(fmt, args);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_ERR " %pV", &vaf);
}
+
va_end(args);
}
@@ -1361,24 +1354,28 @@ static int gfs2_should_freeze(const struct gfs2_glock *gl)
* @gl: Pointer to the glock
* @ret: The return value from the dlm
*
+ * The gl_reply field is under the gl_spin lock so that it is ok
+ * to use a bitfield shared with other glock state fields.
*/
void gfs2_glock_complete(struct gfs2_glock *gl, int ret)
{
struct lm_lockstruct *ls = &gl->gl_sbd->sd_lockstruct;
+ spin_lock(&gl->gl_spin);
gl->gl_reply = ret;
if (unlikely(test_bit(DFL_BLOCK_LOCKS, &ls->ls_flags))) {
- spin_lock(&gl->gl_spin);
if (gfs2_should_freeze(gl)) {
set_bit(GLF_FROZEN, &gl->gl_flags);
spin_unlock(&gl->gl_spin);
return;
}
- spin_unlock(&gl->gl_spin);
}
+
+ spin_unlock(&gl->gl_spin);
set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
+ smp_wmb();
gfs2_glock_hold(gl);
if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
gfs2_glock_put(gl);
@@ -1626,18 +1623,17 @@ static const char *hflags2str(char *buf, unsigned flags, unsigned long iflags)
static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh)
{
struct task_struct *gh_owner = NULL;
- char buffer[KSYM_SYMBOL_LEN];
char flags_buf[32];
- sprint_symbol(buffer, gh->gh_ip);
if (gh->gh_owner_pid)
gh_owner = pid_task(gh->gh_owner_pid, PIDTYPE_PID);
- gfs2_print_dbg(seq, " H: s:%s f:%s e:%d p:%ld [%s] %s\n",
- state2str(gh->gh_state),
- hflags2str(flags_buf, gh->gh_flags, gh->gh_iflags),
- gh->gh_error,
- gh->gh_owner_pid ? (long)pid_nr(gh->gh_owner_pid) : -1,
- gh_owner ? gh_owner->comm : "(ended)", buffer);
+ gfs2_print_dbg(seq, " H: s:%s f:%s e:%d p:%ld [%s] %pS\n",
+ state2str(gh->gh_state),
+ hflags2str(flags_buf, gh->gh_flags, gh->gh_iflags),
+ gh->gh_error,
+ gh->gh_owner_pid ? (long)pid_nr(gh->gh_owner_pid) : -1,
+ gh_owner ? gh_owner->comm : "(ended)",
+ (void *)gh->gh_ip);
return 0;
}
@@ -1782,12 +1778,13 @@ int __init gfs2_glock_init(void)
}
#endif
- glock_workqueue = alloc_workqueue("glock_workqueue", WQ_RESCUER |
+ glock_workqueue = alloc_workqueue("glock_workqueue", WQ_MEM_RECLAIM |
WQ_HIGHPRI | WQ_FREEZEABLE, 0);
if (IS_ERR(glock_workqueue))
return PTR_ERR(glock_workqueue);
- gfs2_delete_workqueue = alloc_workqueue("delete_workqueue", WQ_RESCUER |
- WQ_FREEZEABLE, 0);
+ gfs2_delete_workqueue = alloc_workqueue("delete_workqueue",
+ WQ_MEM_RECLAIM | WQ_FREEZEABLE,
+ 0);
if (IS_ERR(gfs2_delete_workqueue)) {
destroy_workqueue(glock_workqueue);
return PTR_ERR(gfs2_delete_workqueue);
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index db1c26d6d220..691851ceb615 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -87,11 +87,10 @@ enum {
#define GL_ASYNC 0x00000040
#define GL_EXACT 0x00000080
#define GL_SKIP 0x00000100
-#define GL_ATIME 0x00000200
#define GL_NOCACHE 0x00000400
/*
- * lm_lock() and lm_async_cb return flags
+ * lm_async_cb return flags
*
* LM_OUT_ST_MASK
* Masks the lower two bits of lock state in the returned value.
@@ -99,15 +98,11 @@ enum {
* LM_OUT_CANCELED
* The lock request was canceled.
*
- * LM_OUT_ASYNC
- * The result of the request will be returned in an LM_CB_ASYNC callback.
- *
*/
#define LM_OUT_ST_MASK 0x00000003
#define LM_OUT_CANCELED 0x00000008
-#define LM_OUT_ASYNC 0x00000080
-#define LM_OUT_ERROR 0x00000100
+#define LM_OUT_ERROR 0x00000004
/*
* lm_recovery_done() messages
@@ -124,25 +119,12 @@ struct lm_lockops {
void (*lm_unmount) (struct gfs2_sbd *sdp);
void (*lm_withdraw) (struct gfs2_sbd *sdp);
void (*lm_put_lock) (struct kmem_cache *cachep, struct gfs2_glock *gl);
- unsigned int (*lm_lock) (struct gfs2_glock *gl,
- unsigned int req_state, unsigned int flags);
+ int (*lm_lock) (struct gfs2_glock *gl, unsigned int req_state,
+ unsigned int flags);
void (*lm_cancel) (struct gfs2_glock *gl);
const match_table_t *lm_tokens;
};
-#define LM_FLAG_TRY 0x00000001
-#define LM_FLAG_TRY_1CB 0x00000002
-#define LM_FLAG_NOEXP 0x00000004
-#define LM_FLAG_ANY 0x00000008
-#define LM_FLAG_PRIORITY 0x00000010
-
-#define GL_ASYNC 0x00000040
-#define GL_EXACT 0x00000080
-#define GL_SKIP 0x00000100
-#define GL_NOCACHE 0x00000400
-
-#define GLR_TRYFAILED 13
-
extern struct workqueue_struct *gfs2_delete_workqueue;
static inline struct gfs2_holder *gfs2_glock_is_locked_by_me(struct gfs2_glock *gl)
{
@@ -212,6 +194,8 @@ int gfs2_glock_nq_num(struct gfs2_sbd *sdp,
int gfs2_glock_nq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq_m(unsigned int num_gh, struct gfs2_holder *ghs);
void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs);
+
+__attribute__ ((format(printf, 2, 3)))
void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...);
/**
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 0d149dcc04e5..263561bf1a50 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -325,7 +325,6 @@ static void trans_go_sync(struct gfs2_glock *gl)
if (gl->gl_state != LM_ST_UNLOCKED &&
test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) {
- flush_workqueue(gfs2_delete_workqueue);
gfs2_meta_syncfs(sdp);
gfs2_log_shutdown(sdp);
}
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 764fbb49efc8..8d3d2b4a0a7d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -207,12 +207,14 @@ struct gfs2_glock {
spinlock_t gl_spin;
- unsigned int gl_state;
- unsigned int gl_target;
- unsigned int gl_reply;
+ /* State fields protected by gl_spin */
+ unsigned int gl_state:2, /* Current state */
+ gl_target:2, /* Target state */
+ gl_demote_state:2, /* State requested by remote node */
+ gl_req:2, /* State in last dlm request */
+ gl_reply:8; /* Last reply from the dlm */
+
unsigned int gl_hash;
- unsigned int gl_req;
- unsigned int gl_demote_state; /* state requested by remote node */
unsigned long gl_demote_time; /* time of first demote request */
struct list_head gl_holders;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index e1213f7f9217..14e682dbe8bf 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -916,17 +916,8 @@ static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr)
if (error)
return error;
- if ((attr->ia_valid & ATTR_SIZE) &&
- attr->ia_size != i_size_read(inode)) {
- error = vmtruncate(inode, attr->ia_size);
- if (error)
- return error;
- }
-
setattr_copy(inode, attr);
mark_inode_dirty(inode);
-
- gfs2_assert_warn(GFS2_SB(inode), !error);
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 1c09425b45fd..6e493aee28f8 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -146,15 +146,13 @@ static u32 make_flags(const u32 lkid, const unsigned int gfs_flags,
return lkf;
}
-static unsigned int gdlm_lock(struct gfs2_glock *gl,
- unsigned int req_state, unsigned int flags)
+static int gdlm_lock(struct gfs2_glock *gl, unsigned int req_state,
+ unsigned int flags)
{
struct lm_lockstruct *ls = &gl->gl_sbd->sd_lockstruct;
- int error;
int req;
u32 lkf;
- gl->gl_req = req_state;
req = make_mode(req_state);
lkf = make_flags(gl->gl_lksb.sb_lkid, flags, req);
@@ -162,13 +160,8 @@ static unsigned int gdlm_lock(struct gfs2_glock *gl,
* Submit the actual lock request.
*/
- error = dlm_lock(ls->ls_dlm, req, &gl->gl_lksb, lkf, gl->gl_strname,
- GDLM_STRNAME_BYTES - 1, 0, gdlm_ast, gl, gdlm_bast);
- if (error == -EAGAIN)
- return 0;
- if (error)
- return LM_OUT_ERROR;
- return LM_OUT_ASYNC;
+ return dlm_lock(ls->ls_dlm, req, &gl->gl_lksb, lkf, gl->gl_strname,
+ GDLM_STRNAME_BYTES - 1, 0, gdlm_ast, gl, gdlm_bast);
}
static void gdlm_put_lock(struct kmem_cache *cachep, struct gfs2_glock *gl)
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 12cbea7502c2..1db6b7343229 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1069,7 +1069,6 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
- struct buffer_head *dibh;
u32 ouid, ogid, nuid, ngid;
int error;
@@ -1100,25 +1099,10 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
if (error)
goto out_gunlock_q;
- error = gfs2_meta_inode_buffer(ip, &dibh);
+ error = gfs2_setattr_simple(ip, attr);
if (error)
goto out_end_trans;
- if ((attr->ia_valid & ATTR_SIZE) &&
- attr->ia_size != i_size_read(inode)) {
- int error;
-
- error = vmtruncate(inode, attr->ia_size);
- gfs2_assert_warn(sdp, !error);
- }
-
- setattr_copy(inode, attr);
- mark_inode_dirty(inode);
-
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
- gfs2_dinode_out(ip, dibh->b_data);
- brelse(dibh);
-
if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) {
u64 blocks = gfs2_get_inode_blocks(&ip->i_inode);
gfs2_quota_change(ip, -blocks, ouid, ogid);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index f606baf9ba72..a689901963de 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -666,6 +666,10 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
qp->qu_limit = cpu_to_be64(fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift);
qd->qd_qb.qb_limit = qp->qu_limit;
}
+ if (fdq->d_fieldmask & FS_DQ_BCOUNT) {
+ qp->qu_value = cpu_to_be64(fdq->d_bcount >> sdp->sd_fsb2bb_shift);
+ qd->qd_qb.qb_value = qp->qu_value;
+ }
}
/* Write the quota into the quota file on disk */
@@ -1509,7 +1513,7 @@ out:
}
/* GFS2 only supports a subset of the XFS fields */
-#define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD)
+#define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD|FS_DQ_BCOUNT)
static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
struct fs_disk_quota *fdq)
@@ -1569,9 +1573,15 @@ static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
if ((fdq->d_fieldmask & FS_DQ_BSOFT) &&
((fdq->d_blk_softlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_warn)))
fdq->d_fieldmask ^= FS_DQ_BSOFT;
+
if ((fdq->d_fieldmask & FS_DQ_BHARD) &&
((fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_limit)))
fdq->d_fieldmask ^= FS_DQ_BHARD;
+
+ if ((fdq->d_fieldmask & FS_DQ_BCOUNT) &&
+ ((fdq->d_bcount >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_value)))
+ fdq->d_fieldmask ^= FS_DQ_BCOUNT;
+
if (fdq->d_fieldmask == 0)
goto out_i;
@@ -1620,4 +1630,3 @@ const struct quotactl_ops gfs2_quotactl_ops = {
.get_dqblk = gfs2_get_dqblk,
.set_dqblk = gfs2_set_dqblk,
};
-
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 33c8407b876f..7293ea27020c 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -500,7 +500,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp)
for (rgrps = 0;; rgrps++) {
loff_t pos = rgrps * sizeof(struct gfs2_rindex);
- if (pos + sizeof(struct gfs2_rindex) >= i_size_read(inode))
+ if (pos + sizeof(struct gfs2_rindex) > i_size_read(inode))
break;
error = gfs2_internal_read(ip, &ra_state, buf, &pos,
sizeof(struct gfs2_rindex));
@@ -583,7 +583,7 @@ static int read_rindex_entry(struct gfs2_inode *ip,
* Returns: 0 on successful update, error code otherwise
*/
-static int gfs2_ri_update(struct gfs2_inode *ip)
+int gfs2_ri_update(struct gfs2_inode *ip)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct inode *inode = &ip->i_inode;
@@ -614,46 +614,6 @@ static int gfs2_ri_update(struct gfs2_inode *ip)
}
/**
- * gfs2_ri_update_special - Pull in a new resource index from the disk
- *
- * This is a special version that's safe to call from gfs2_inplace_reserve_i.
- * In this case we know that we don't have any resource groups in memory yet.
- *
- * @ip: pointer to the rindex inode
- *
- * Returns: 0 on successful update, error code otherwise
- */
-static int gfs2_ri_update_special(struct gfs2_inode *ip)
-{
- struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- struct inode *inode = &ip->i_inode;
- struct file_ra_state ra_state;
- struct gfs2_rgrpd *rgd;
- unsigned int max_data = 0;
- int error;
-
- file_ra_state_init(&ra_state, inode->i_mapping);
- for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) {
- /* Ignore partials */
- if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) >
- i_size_read(inode))
- break;
- error = read_rindex_entry(ip, &ra_state);
- if (error) {
- clear_rgrpdi(sdp);
- return error;
- }
- }
- list_for_each_entry(rgd, &sdp->sd_rindex_list, rd_list)
- if (rgd->rd_data > max_data)
- max_data = rgd->rd_data;
- sdp->sd_max_rg_data = max_data;
-
- sdp->sd_rindex_uptodate = 1;
- return 0;
-}
-
-/**
* gfs2_rindex_hold - Grab a lock on the rindex
* @sdp: The GFS2 superblock
* @ri_gh: the glock holder
@@ -1226,16 +1186,25 @@ int gfs2_inplace_reserve_i(struct gfs2_inode *ip, int hold_rindex,
error = gfs2_rindex_hold(sdp, &al->al_ri_gh);
else if (!sdp->sd_rgrps) /* We may not have the rindex read
in, so: */
- error = gfs2_ri_update_special(ip);
+ error = gfs2_ri_update(ip);
if (error)
return error;
}
+try_again:
do {
error = get_local_rgrp(ip, &last_unlinked);
/* If there is no space, flushing the log may release some */
- if (error)
+ if (error) {
+ if (ip == GFS2_I(sdp->sd_rindex) &&
+ !sdp->sd_rindex_uptodate) {
+ error = gfs2_ri_update(ip);
+ if (error)
+ return error;
+ goto try_again;
+ }
gfs2_log_flush(sdp, NULL);
+ }
} while (error && tries++ < 3);
if (error) {
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h
index 0e35c0466f9a..50c2bb04369c 100644
--- a/fs/gfs2/rgrp.h
+++ b/fs/gfs2/rgrp.h
@@ -48,6 +48,7 @@ extern int gfs2_inplace_reserve_i(struct gfs2_inode *ip, int hold_rindex,
extern void gfs2_inplace_release(struct gfs2_inode *ip);
+extern int gfs2_ri_update(struct gfs2_inode *ip);
extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n);
extern int gfs2_alloc_di(struct gfs2_inode *ip, u64 *bn, u64 *generation);
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 30b58f07c8a6..439b61c03262 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -1296,10 +1296,8 @@ fail:
int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
{
- struct inode *inode = &ip->i_inode;
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_ea_location el;
- struct buffer_head *dibh;
int error;
error = gfs2_ea_find(ip, GFS2_EATYPE_SYS, GFS2_POSIX_ACL_ACCESS, &el);
@@ -1321,26 +1319,7 @@ int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
if (error)
return error;
- error = gfs2_meta_inode_buffer(ip, &dibh);
- if (error)
- goto out_trans_end;
-
- if ((attr->ia_valid & ATTR_SIZE) &&
- attr->ia_size != i_size_read(inode)) {
- int error;
-
- error = vmtruncate(inode, attr->ia_size);
- gfs2_assert_warn(GFS2_SB(inode), !error);
- }
-
- setattr_copy(inode, attr);
- mark_inode_dirty(inode);
-
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
- gfs2_dinode_out(ip, dibh->b_data);
- brelse(dibh);
-
-out_trans_end:
+ error = gfs2_setattr_simple(ip, attr);
gfs2_trans_end(sdp);
return error;
}
diff --git a/fs/logfs/journal.c b/fs/logfs/journal.c
index f46ee8b0e135..9da29706f91c 100644
--- a/fs/logfs/journal.c
+++ b/fs/logfs/journal.c
@@ -828,7 +828,7 @@ void do_logfs_journal_wl_pass(struct super_block *sb)
super->s_journal_seg[i] = segno;
super->s_journal_ec[i] = ec;
logfs_set_segment_reserved(sb, segno);
- err = btree_insert32(head, segno, (void *)1, GFP_KERNEL);
+ err = btree_insert32(head, segno, (void *)1, GFP_NOFS);
BUG_ON(err); /* mempool should prevent this */
err = logfs_erase_segment(sb, segno, 1);
BUG_ON(err); /* FIXME: remount-ro would be nicer */
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index 6127baf0e188..ee99a9f5dfd3 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -1994,6 +1994,9 @@ static int do_write_inode(struct inode *inode)
/* FIXME: transaction is part of logfs_block now. Is that enough? */
err = logfs_write_buf(master_inode, page, 0);
+ if (err)
+ move_page_to_inode(inode, page);
+
logfs_put_write_page(page);
return err;
}
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index f1e962cb3b73..0d7c5540ad66 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -573,11 +573,14 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
/* this io's submitter should not have unlocked this before we could */
BUG_ON(!ocfs2_iocb_is_rw_locked(iocb));
+ if (ocfs2_iocb_is_sem_locked(iocb)) {
+ up_read(&inode->i_alloc_sem);
+ ocfs2_iocb_clear_sem_locked(iocb);
+ }
+
ocfs2_iocb_clear_rw_locked(iocb);
level = ocfs2_iocb_rw_locked_level(iocb);
- if (!level)
- up_read(&inode->i_alloc_sem);
ocfs2_rw_unlock(inode, level);
if (is_async)
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index 76bfdfda691a..eceb456037c1 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -68,8 +68,27 @@ static inline void ocfs2_iocb_set_rw_locked(struct kiocb *iocb, int level)
else
clear_bit(1, (unsigned long *)&iocb->private);
}
+
+/*
+ * Using a named enum representing lock types in terms of #N bit stored in
+ * iocb->private, which is going to be used for communication bewteen
+ * ocfs2_dio_end_io() and ocfs2_file_aio_write/read().
+ */
+enum ocfs2_iocb_lock_bits {
+ OCFS2_IOCB_RW_LOCK = 0,
+ OCFS2_IOCB_RW_LOCK_LEVEL,
+ OCFS2_IOCB_SEM,
+ OCFS2_IOCB_NUM_LOCKS
+};
+
#define ocfs2_iocb_clear_rw_locked(iocb) \
- clear_bit(0, (unsigned long *)&iocb->private)
+ clear_bit(OCFS2_IOCB_RW_LOCK, (unsigned long *)&iocb->private)
#define ocfs2_iocb_rw_locked_level(iocb) \
- test_bit(1, (unsigned long *)&iocb->private)
+ test_bit(OCFS2_IOCB_RW_LOCK_LEVEL, (unsigned long *)&iocb->private)
+#define ocfs2_iocb_set_sem_locked(iocb) \
+ set_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
+#define ocfs2_iocb_clear_sem_locked(iocb) \
+ clear_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
+#define ocfs2_iocb_is_sem_locked(iocb) \
+ test_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
#endif /* OCFS2_FILE_H */
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index c7fba396392d..6c61771469af 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -113,10 +113,11 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
define_mask(QUOTA),
define_mask(REFCOUNT),
define_mask(BASTS),
+ define_mask(RESERVATIONS),
+ define_mask(CLUSTER),
define_mask(ERROR),
define_mask(NOTICE),
define_mask(KTHREAD),
- define_mask(RESERVATIONS),
};
static struct attribute *mlog_attr_ptrs[MLOG_MAX_BITS] = {NULL, };
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index ea2ed9f56c94..34d6544357d9 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -81,7 +81,7 @@
#include <linux/sched.h>
/* bits that are frequently given and infrequently matched in the low word */
-/* NOTE: If you add a flag, you need to also update mlog.c! */
+/* NOTE: If you add a flag, you need to also update masklog.c! */
#define ML_ENTRY 0x0000000000000001ULL /* func call entry */
#define ML_EXIT 0x0000000000000002ULL /* func call exit */
#define ML_TCP 0x0000000000000004ULL /* net cluster/tcp.c */
@@ -114,13 +114,14 @@
#define ML_XATTR 0x0000000020000000ULL /* ocfs2 extended attributes */
#define ML_QUOTA 0x0000000040000000ULL /* ocfs2 quota operations */
#define ML_REFCOUNT 0x0000000080000000ULL /* refcount tree operations */
-#define ML_BASTS 0x0000001000000000ULL /* dlmglue asts and basts */
+#define ML_BASTS 0x0000000100000000ULL /* dlmglue asts and basts */
+#define ML_RESERVATIONS 0x0000000200000000ULL /* ocfs2 alloc reservations */
+#define ML_CLUSTER 0x0000000400000000ULL /* cluster stack */
+
/* bits that are infrequently given and frequently matched in the high word */
-#define ML_ERROR 0x0000000100000000ULL /* sent to KERN_ERR */
-#define ML_NOTICE 0x0000000200000000ULL /* setn to KERN_NOTICE */
-#define ML_KTHREAD 0x0000000400000000ULL /* kernel thread activity */
-#define ML_RESERVATIONS 0x0000000800000000ULL /* ocfs2 alloc reservations */
-#define ML_CLUSTER 0x0000001000000000ULL /* cluster stack */
+#define ML_ERROR 0x1000000000000000ULL /* sent to KERN_ERR */
+#define ML_NOTICE 0x2000000000000000ULL /* setn to KERN_NOTICE */
+#define ML_KTHREAD 0x4000000000000000ULL /* kernel thread activity */
#define MLOG_INITIAL_AND_MASK (ML_ERROR|ML_NOTICE)
#define MLOG_INITIAL_NOT_MASK (ML_ENTRY|ML_EXIT)
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index c49f6de0e7ab..d417b3f9b0c7 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2461,8 +2461,10 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
di->i_dx_root = cpu_to_le64(dr_blkno);
+ spin_lock(&OCFS2_I(dir)->ip_lock);
OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;
di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
+ spin_unlock(&OCFS2_I(dir)->ip_lock);
ocfs2_journal_dirty(handle, di_bh);
@@ -4466,8 +4468,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
goto out_commit;
}
+ spin_lock(&OCFS2_I(dir)->ip_lock);
OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL;
di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
+ spin_unlock(&OCFS2_I(dir)->ip_lock);
di->i_dx_root = cpu_to_le64(0ULL);
ocfs2_journal_dirty(handle, di_bh);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index f564b0e5f80d..59f0f6bdfc62 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2346,7 +2346,8 @@ static void dlm_deref_lockres_worker(struct dlm_work_item *item, void *data)
*/
static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res,
- int *numlocks)
+ int *numlocks,
+ int *hasrefs)
{
int ret;
int i;
@@ -2356,6 +2357,9 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
assert_spin_locked(&res->spinlock);
+ *numlocks = 0;
+ *hasrefs = 0;
+
ret = -EINVAL;
if (res->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
mlog(0, "cannot migrate lockres with unknown owner!\n");
@@ -2386,7 +2390,13 @@ static int dlm_is_lockres_migrateable(struct dlm_ctxt *dlm,
}
*numlocks = count;
- mlog(0, "migrateable lockres having %d locks\n", *numlocks);
+
+ count = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
+ if (count < O2NM_MAX_NODES)
+ *hasrefs = 1;
+
+ mlog(0, "%s: res %.*s, Migrateable, locks %d, refs %d\n", dlm->name,
+ res->lockname.len, res->lockname.name, *numlocks, *hasrefs);
leave:
return ret;
@@ -2408,7 +2418,7 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
const char *name;
unsigned int namelen;
int mle_added = 0;
- int numlocks;
+ int numlocks, hasrefs;
int wake = 0;
if (!dlm_grab(dlm))
@@ -2417,13 +2427,13 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
name = res->lockname.name;
namelen = res->lockname.len;
- mlog(0, "migrating %.*s to %u\n", namelen, name, target);
+ mlog(0, "%s: Migrating %.*s to %u\n", dlm->name, namelen, name, target);
/*
* ensure this lockres is a proper candidate for migration
*/
spin_lock(&res->spinlock);
- ret = dlm_is_lockres_migrateable(dlm, res, &numlocks);
+ ret = dlm_is_lockres_migrateable(dlm, res, &numlocks, &hasrefs);
if (ret < 0) {
spin_unlock(&res->spinlock);
goto leave;
@@ -2431,10 +2441,8 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
spin_unlock(&res->spinlock);
/* no work to do */
- if (numlocks == 0) {
- mlog(0, "no locks were found on this lockres! done!\n");
+ if (numlocks == 0 && !hasrefs)
goto leave;
- }
/*
* preallocate up front
@@ -2459,14 +2467,14 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
* find a node to migrate the lockres to
*/
- mlog(0, "picking a migration node\n");
spin_lock(&dlm->spinlock);
/* pick a new node */
if (!test_bit(target, dlm->domain_map) ||
target >= O2NM_MAX_NODES) {
target = dlm_pick_migration_target(dlm, res);
}
- mlog(0, "node %u chosen for migration\n", target);
+ mlog(0, "%s: res %.*s, Node %u chosen for migration\n", dlm->name,
+ namelen, name, target);
if (target >= O2NM_MAX_NODES ||
!test_bit(target, dlm->domain_map)) {
@@ -2667,7 +2675,7 @@ int dlm_empty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{
int ret;
int lock_dropped = 0;
- int numlocks;
+ int numlocks, hasrefs;
spin_lock(&res->spinlock);
if (res->owner != dlm->node_num) {
@@ -2681,8 +2689,8 @@ int dlm_empty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
}
/* No need to migrate a lockres having no locks */
- ret = dlm_is_lockres_migrateable(dlm, res, &numlocks);
- if (ret >= 0 && numlocks == 0) {
+ ret = dlm_is_lockres_migrateable(dlm, res, &numlocks, &hasrefs);
+ if (ret >= 0 && numlocks == 0 && !hasrefs) {
spin_unlock(&res->spinlock);
goto leave;
}
@@ -2915,6 +2923,12 @@ static u8 dlm_pick_migration_target(struct dlm_ctxt *dlm,
}
queue++;
}
+
+ nodenum = find_next_bit(res->refmap, O2NM_MAX_NODES, 0);
+ if (nodenum < O2NM_MAX_NODES) {
+ spin_unlock(&res->spinlock);
+ return nodenum;
+ }
spin_unlock(&res->spinlock);
mlog(0, "have not found a suitable target yet! checking domain map\n");
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 77b4c04a2809..f6cba566429d 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2241,11 +2241,15 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
mutex_lock(&inode->i_mutex);
+ ocfs2_iocb_clear_sem_locked(iocb);
+
relock:
/* to match setattr's i_mutex -> i_alloc_sem -> rw_lock ordering */
if (direct_io) {
down_read(&inode->i_alloc_sem);
have_alloc_sem = 1;
+ /* communicate with ocfs2_dio_end_io */
+ ocfs2_iocb_set_sem_locked(iocb);
}
/*
@@ -2382,8 +2386,10 @@ out:
ocfs2_rw_unlock(inode, rw_level);
out_sems:
- if (have_alloc_sem)
+ if (have_alloc_sem) {
up_read(&inode->i_alloc_sem);
+ ocfs2_iocb_clear_sem_locked(iocb);
+ }
mutex_unlock(&inode->i_mutex);
@@ -2527,6 +2533,8 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
goto bail;
}
+ ocfs2_iocb_clear_sem_locked(iocb);
+
/*
* buffered reads protect themselves in ->readpage(). O_DIRECT reads
* need locks to protect pending reads from racing with truncate.
@@ -2534,6 +2542,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
if (filp->f_flags & O_DIRECT) {
down_read(&inode->i_alloc_sem);
have_alloc_sem = 1;
+ ocfs2_iocb_set_sem_locked(iocb);
ret = ocfs2_rw_lock(inode, 0);
if (ret < 0) {
@@ -2575,8 +2584,10 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
}
bail:
- if (have_alloc_sem)
+ if (have_alloc_sem) {
up_read(&inode->i_alloc_sem);
+ ocfs2_iocb_clear_sem_locked(iocb);
+ }
if (rw_level != -1)
ocfs2_rw_unlock(inode, rw_level);
mlog_exit(ret);
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index c2e4f8222e2f..bf2e7764920e 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -350,7 +350,7 @@ enum {
#define OCFS2_LAST_LOCAL_SYSTEM_INODE LOCAL_GROUP_QUOTA_SYSTEM_INODE
NUM_SYSTEM_INODES
};
-#define NUM_GLOBAL_SYSTEM_INODES OCFS2_LAST_GLOBAL_SYSTEM_INODE
+#define NUM_GLOBAL_SYSTEM_INODES OCFS2_FIRST_LOCAL_SYSTEM_INODE
#define NUM_LOCAL_SYSTEM_INODES \
(NUM_SYSTEM_INODES - OCFS2_FIRST_LOCAL_SYSTEM_INODE)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 182845147fe4..08cba2c3b612 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1407,6 +1407,82 @@ static const struct file_operations proc_pid_sched_operations = {
#endif
+#ifdef CONFIG_SCHED_AUTOGROUP
+/*
+ * Print out autogroup related information:
+ */
+static int sched_autogroup_show(struct seq_file *m, void *v)
+{
+ struct inode *inode = m->private;
+ struct task_struct *p;
+
+ p = get_proc_task(inode);
+ if (!p)
+ return -ESRCH;
+ proc_sched_autogroup_show_task(p, m);
+
+ put_task_struct(p);
+
+ return 0;
+}
+
+static ssize_t
+sched_autogroup_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *offset)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ struct task_struct *p;
+ char buffer[PROC_NUMBUF];
+ long nice;
+ int err;
+
+ memset(buffer, 0, sizeof(buffer));
+ if (count > sizeof(buffer) - 1)
+ count = sizeof(buffer) - 1;
+ if (copy_from_user(buffer, buf, count))
+ return -EFAULT;
+
+ err = strict_strtol(strstrip(buffer), 0, &nice);
+ if (err)
+ return -EINVAL;
+
+ p = get_proc_task(inode);
+ if (!p)
+ return -ESRCH;
+
+ err = nice;
+ err = proc_sched_autogroup_set_nice(p, &err);
+ if (err)
+ count = err;
+
+ put_task_struct(p);
+
+ return count;
+}
+
+static int sched_autogroup_open(struct inode *inode, struct file *filp)
+{
+ int ret;
+
+ ret = single_open(filp, sched_autogroup_show, NULL);
+ if (!ret) {
+ struct seq_file *m = filp->private_data;
+
+ m->private = inode;
+ }
+ return ret;
+}
+
+static const struct file_operations proc_pid_sched_autogroup_operations = {
+ .open = sched_autogroup_open,
+ .read = seq_read,
+ .write = sched_autogroup_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+#endif /* CONFIG_SCHED_AUTOGROUP */
+
static ssize_t comm_write(struct file *file, const char __user *buf,
size_t count, loff_t *offset)
{
@@ -2733,6 +2809,9 @@ static const struct pid_entry tgid_base_stuff[] = {
#ifdef CONFIG_SCHED_DEBUG
REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
#endif
+#ifdef CONFIG_SCHED_AUTOGROUP
+ REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations),
+#endif
REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
INF("syscall", S_IRUSR, proc_pid_syscall),
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 2367fb3f70bc..74802bc5ded9 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -499,7 +499,7 @@ static int __init parse_crash_elf64_headers(void)
/* Do some basic Verification. */
if (memcmp(ehdr.e_ident, ELFMAG, SELFMAG) != 0 ||
(ehdr.e_type != ET_CORE) ||
- !vmcore_elf_check_arch(&ehdr) ||
+ !vmcore_elf64_check_arch(&ehdr) ||
ehdr.e_ident[EI_CLASS] != ELFCLASS64 ||
ehdr.e_ident[EI_VERSION] != EV_CURRENT ||
ehdr.e_version != EV_CURRENT ||
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.