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-rw-r--r--fs/dlm/lowcomms.c6
-rw-r--r--fs/fat/inode.c3
-rw-r--r--fs/hfs/hfs_fs.h28
-rw-r--r--fs/hfs/inode.c4
-rw-r--r--fs/hfsplus/hfsplus_fs.h28
-rw-r--r--fs/hfsplus/inode.c12
-rw-r--r--fs/hostfs/hostfs.h22
-rw-r--r--fs/hostfs/hostfs_kern.c15
-rw-r--r--fs/nfs/fscache-index.c6
-rw-r--r--fs/nfs/fscache.c18
-rw-r--r--fs/nfs/fscache.h8
-rw-r--r--fs/nfs/nfs4xdr.c10
12 files changed, 106 insertions, 54 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 3951d39b9b75..cdfaf4f0e11a 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1035,7 +1035,7 @@ static void sctp_connect_to_sock(struct connection *con)
int result;
int addr_len;
struct socket *sock;
- struct timeval tv = { .tv_sec = 5, .tv_usec = 0 };
+ struct __kernel_sock_timeval tv = { .tv_sec = 5, .tv_usec = 0 };
if (con->nodeid == 0) {
log_print("attempt to connect sock 0 foiled");
@@ -1087,12 +1087,12 @@ static void sctp_connect_to_sock(struct connection *con)
* since O_NONBLOCK argument in connect() function does not work here,
* then, we should restore the default value of this attribute.
*/
- kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_OLD, (char *)&tv,
+ kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_NEW, (char *)&tv,
sizeof(tv));
result = sock->ops->connect(sock, (struct sockaddr *)&daddr, addr_len,
0);
memset(&tv, 0, sizeof(tv));
- kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_OLD, (char *)&tv,
+ kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_NEW, (char *)&tv,
sizeof(tv));
if (result == -EINPROGRESS)
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 5f04c5c810fb..594b05ae16c9 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -21,6 +21,7 @@
#include <linux/blkdev.h>
#include <linux/backing-dev.h>
#include <asm/unaligned.h>
+#include <linux/random.h>
#include <linux/iversion.h>
#include "fat.h"
@@ -521,7 +522,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
inode->i_uid = sbi->options.fs_uid;
inode->i_gid = sbi->options.fs_gid;
inode_inc_iversion(inode);
- inode->i_generation = get_seconds();
+ inode->i_generation = prandom_u32();
if ((de->attr & ATTR_DIR) && !IS_FREE(de->name)) {
inode->i_generation &= ~1;
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 6d0783e2e276..f71c384064c8 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -242,19 +242,35 @@ extern void hfs_mark_mdb_dirty(struct super_block *sb);
/*
* There are two time systems. Both are based on seconds since
* a particular time/date.
- * Unix: unsigned lil-endian since 00:00 GMT, Jan. 1, 1970
+ * Unix: signed little-endian since 00:00 GMT, Jan. 1, 1970
* mac: unsigned big-endian since 00:00 GMT, Jan. 1, 1904
*
+ * HFS implementations are highly inconsistent, this one matches the
+ * traditional behavior of 64-bit Linux, giving the most useful
+ * time range between 1970 and 2106, by treating any on-disk timestamp
+ * under HFS_UTC_OFFSET (Jan 1 1970) as a time between 2040 and 2106.
*/
-#define __hfs_u_to_mtime(sec) cpu_to_be32(sec + 2082844800U - sys_tz.tz_minuteswest * 60)
-#define __hfs_m_to_utime(sec) (be32_to_cpu(sec) - 2082844800U + sys_tz.tz_minuteswest * 60)
+#define HFS_UTC_OFFSET 2082844800U
+static inline time64_t __hfs_m_to_utime(__be32 mt)
+{
+ time64_t ut = (u32)(be32_to_cpu(mt) - HFS_UTC_OFFSET);
+
+ return ut + sys_tz.tz_minuteswest * 60;
+}
+
+static inline __be32 __hfs_u_to_mtime(time64_t ut)
+{
+ ut -= sys_tz.tz_minuteswest * 60;
+
+ return cpu_to_be32(lower_32_bits(ut) + HFS_UTC_OFFSET);
+}
#define HFS_I(inode) (container_of(inode, struct hfs_inode_info, vfs_inode))
#define HFS_SB(sb) ((struct hfs_sb_info *)(sb)->s_fs_info)
-#define hfs_m_to_utime(time) (struct timespec){ .tv_sec = __hfs_m_to_utime(time) }
-#define hfs_u_to_mtime(time) __hfs_u_to_mtime((time).tv_sec)
-#define hfs_mtime() __hfs_u_to_mtime(get_seconds())
+#define hfs_m_to_utime(time) (struct timespec64){ .tv_sec = __hfs_m_to_utime(time) }
+#define hfs_u_to_mtime(time) __hfs_u_to_mtime((time).tv_sec)
+#define hfs_mtime() __hfs_u_to_mtime(ktime_get_real_seconds())
static inline const char *hfs_mdb_name(struct super_block *sb)
{
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index da243c84e93b..2f224b98ee94 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -351,7 +351,7 @@ static int hfs_read_inode(struct inode *inode, void *data)
inode->i_mode &= ~hsb->s_file_umask;
inode->i_mode |= S_IFREG;
inode->i_ctime = inode->i_atime = inode->i_mtime =
- timespec_to_timespec64(hfs_m_to_utime(rec->file.MdDat));
+ hfs_m_to_utime(rec->file.MdDat);
inode->i_op = &hfs_file_inode_operations;
inode->i_fop = &hfs_file_operations;
inode->i_mapping->a_ops = &hfs_aops;
@@ -362,7 +362,7 @@ static int hfs_read_inode(struct inode *inode, void *data)
HFS_I(inode)->fs_blocks = 0;
inode->i_mode = S_IFDIR | (S_IRWXUGO & ~hsb->s_dir_umask);
inode->i_ctime = inode->i_atime = inode->i_mtime =
- timespec_to_timespec64(hfs_m_to_utime(rec->dir.MdDat));
+ hfs_m_to_utime(rec->dir.MdDat);
inode->i_op = &hfs_dir_inode_operations;
inode->i_fop = &hfs_dir_operations;
break;
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index b8471bf05def..3b03fff68543 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -533,13 +533,31 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, void *buf,
void **data, int op, int op_flags);
int hfsplus_read_wrapper(struct super_block *sb);
-/* time macros */
-#define __hfsp_mt2ut(t) (be32_to_cpu(t) - 2082844800U)
-#define __hfsp_ut2mt(t) (cpu_to_be32(t + 2082844800U))
+/*
+ * time helpers: convert between 1904-base and 1970-base timestamps
+ *
+ * HFS+ implementations are highly inconsistent, this one matches the
+ * traditional behavior of 64-bit Linux, giving the most useful
+ * time range between 1970 and 2106, by treating any on-disk timestamp
+ * under HFSPLUS_UTC_OFFSET (Jan 1 1970) as a time between 2040 and 2106.
+ */
+#define HFSPLUS_UTC_OFFSET 2082844800U
+
+static inline time64_t __hfsp_mt2ut(__be32 mt)
+{
+ time64_t ut = (u32)(be32_to_cpu(mt) - HFSPLUS_UTC_OFFSET);
+
+ return ut;
+}
+
+static inline __be32 __hfsp_ut2mt(time64_t ut)
+{
+ return cpu_to_be32(lower_32_bits(ut) + HFSPLUS_UTC_OFFSET);
+}
/* compatibility */
-#define hfsp_mt2ut(t) (struct timespec){ .tv_sec = __hfsp_mt2ut(t) }
+#define hfsp_mt2ut(t) (struct timespec64){ .tv_sec = __hfsp_mt2ut(t) }
#define hfsp_ut2mt(t) __hfsp_ut2mt((t).tv_sec)
-#define hfsp_now2mt() __hfsp_ut2mt(get_seconds())
+#define hfsp_now2mt() __hfsp_ut2mt(ktime_get_real_seconds())
#endif
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index d131c8ea7eb6..94bd83b36644 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -504,9 +504,9 @@ int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
hfsplus_get_perms(inode, &folder->permissions, 1);
set_nlink(inode, 1);
inode->i_size = 2 + be32_to_cpu(folder->valence);
- inode->i_atime = timespec_to_timespec64(hfsp_mt2ut(folder->access_date));
- inode->i_mtime = timespec_to_timespec64(hfsp_mt2ut(folder->content_mod_date));
- inode->i_ctime = timespec_to_timespec64(hfsp_mt2ut(folder->attribute_mod_date));
+ inode->i_atime = hfsp_mt2ut(folder->access_date);
+ inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
+ inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
HFSPLUS_I(inode)->create_date = folder->create_date;
HFSPLUS_I(inode)->fs_blocks = 0;
if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
@@ -542,9 +542,9 @@ int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
init_special_inode(inode, inode->i_mode,
be32_to_cpu(file->permissions.dev));
}
- inode->i_atime = timespec_to_timespec64(hfsp_mt2ut(file->access_date));
- inode->i_mtime = timespec_to_timespec64(hfsp_mt2ut(file->content_mod_date));
- inode->i_ctime = timespec_to_timespec64(hfsp_mt2ut(file->attribute_mod_date));
+ inode->i_atime = hfsp_mt2ut(file->access_date);
+ inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
+ inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
HFSPLUS_I(inode)->create_date = file->create_date;
} else {
pr_err("bad catalog entry used to create inode\n");
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index f4295aa19350..69cb796f6270 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -37,16 +37,20 @@
* is on, and remove the appropriate bits from attr->ia_mode (attr is a
* "struct iattr *"). -BlaisorBlade
*/
+struct hostfs_timespec {
+ long long tv_sec;
+ long long tv_nsec;
+};
struct hostfs_iattr {
- unsigned int ia_valid;
- unsigned short ia_mode;
- uid_t ia_uid;
- gid_t ia_gid;
- loff_t ia_size;
- struct timespec ia_atime;
- struct timespec ia_mtime;
- struct timespec ia_ctime;
+ unsigned int ia_valid;
+ unsigned short ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
+ loff_t ia_size;
+ struct hostfs_timespec ia_atime;
+ struct hostfs_timespec ia_mtime;
+ struct hostfs_timespec ia_ctime;
};
struct hostfs_stat {
@@ -56,7 +60,7 @@ struct hostfs_stat {
unsigned int uid;
unsigned int gid;
unsigned long long size;
- struct timespec atime, mtime, ctime;
+ struct hostfs_timespec atime, mtime, ctime;
unsigned int blksize;
unsigned long long blocks;
unsigned int maj;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 5a7eb0c79839..e6b8c49076bb 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -549,9 +549,9 @@ static int read_name(struct inode *ino, char *name)
set_nlink(ino, st.nlink);
i_uid_write(ino, st.uid);
i_gid_write(ino, st.gid);
- ino->i_atime = timespec_to_timespec64(st.atime);
- ino->i_mtime = timespec_to_timespec64(st.mtime);
- ino->i_ctime = timespec_to_timespec64(st.ctime);
+ ino->i_atime = (struct timespec64){ st.atime.tv_sec, st.atime.tv_nsec };
+ ino->i_mtime = (struct timespec64){ st.mtime.tv_sec, st.mtime.tv_nsec };
+ ino->i_ctime = (struct timespec64){ st.ctime.tv_sec, st.ctime.tv_nsec };
ino->i_size = st.size;
ino->i_blocks = st.blocks;
return 0;
@@ -820,15 +820,18 @@ static int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
}
if (attr->ia_valid & ATTR_ATIME) {
attrs.ia_valid |= HOSTFS_ATTR_ATIME;
- attrs.ia_atime = timespec64_to_timespec(attr->ia_atime);
+ attrs.ia_atime = (struct hostfs_timespec)
+ { attr->ia_atime.tv_sec, attr->ia_atime.tv_nsec };
}
if (attr->ia_valid & ATTR_MTIME) {
attrs.ia_valid |= HOSTFS_ATTR_MTIME;
- attrs.ia_mtime = timespec64_to_timespec(attr->ia_mtime);
+ attrs.ia_mtime = (struct hostfs_timespec)
+ { attr->ia_mtime.tv_sec, attr->ia_mtime.tv_nsec };
}
if (attr->ia_valid & ATTR_CTIME) {
attrs.ia_valid |= HOSTFS_ATTR_CTIME;
- attrs.ia_ctime = timespec64_to_timespec(attr->ia_ctime);
+ attrs.ia_ctime = (struct hostfs_timespec)
+ { attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec };
}
if (attr->ia_valid & ATTR_ATIME_SET) {
attrs.ia_valid |= HOSTFS_ATTR_ATIME_SET;
diff --git a/fs/nfs/fscache-index.c b/fs/nfs/fscache-index.c
index 15f271401dcc..573b1da9342c 100644
--- a/fs/nfs/fscache-index.c
+++ b/fs/nfs/fscache-index.c
@@ -84,8 +84,10 @@ enum fscache_checkaux nfs_fscache_inode_check_aux(void *cookie_netfs_data,
return FSCACHE_CHECKAUX_OBSOLETE;
memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime = timespec64_to_timespec(nfsi->vfs_inode.i_mtime);
- auxdata.ctime = timespec64_to_timespec(nfsi->vfs_inode.i_ctime);
+ auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
auxdata.change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index 3800ab6f08fa..7def925d3af5 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -238,8 +238,10 @@ void nfs_fscache_init_inode(struct inode *inode)
return;
memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime = timespec64_to_timespec(nfsi->vfs_inode.i_mtime);
- auxdata.ctime = timespec64_to_timespec(nfsi->vfs_inode.i_ctime);
+ auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
auxdata.change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
@@ -263,8 +265,10 @@ void nfs_fscache_clear_inode(struct inode *inode)
dfprintk(FSCACHE, "NFS: clear cookie (0x%p/0x%p)\n", nfsi, cookie);
memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime = timespec64_to_timespec(nfsi->vfs_inode.i_mtime);
- auxdata.ctime = timespec64_to_timespec(nfsi->vfs_inode.i_ctime);
+ auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
fscache_relinquish_cookie(cookie, &auxdata, false);
nfsi->fscache = NULL;
}
@@ -305,8 +309,10 @@ void nfs_fscache_open_file(struct inode *inode, struct file *filp)
return;
memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime = timespec64_to_timespec(nfsi->vfs_inode.i_mtime);
- auxdata.ctime = timespec64_to_timespec(nfsi->vfs_inode.i_ctime);
+ auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
if (inode_is_open_for_write(inode)) {
dfprintk(FSCACHE, "NFS: nfsi 0x%p disabling cache\n", nfsi);
diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index ad041cfbf9ec..6754c8607230 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -62,9 +62,11 @@ struct nfs_fscache_key {
* cache object.
*/
struct nfs_fscache_inode_auxdata {
- struct timespec mtime;
- struct timespec ctime;
- u64 change_attr;
+ s64 mtime_sec;
+ s64 mtime_nsec;
+ s64 ctime_sec;
+ s64 ctime_nsec;
+ u64 change_attr;
};
/*
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 936c57779ff4..728d88b6a698 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4097,7 +4097,7 @@ static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, str
status = NFS_ATTR_FATTR_ATIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
}
- dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec);
+ dprintk("%s: atime=%lld\n", __func__, time->tv_sec);
return status;
}
@@ -4115,7 +4115,7 @@ static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, s
status = NFS_ATTR_FATTR_CTIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
}
- dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec);
+ dprintk("%s: ctime=%lld\n", __func__, time->tv_sec);
return status;
}
@@ -4132,8 +4132,8 @@ static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap,
status = decode_attr_time(xdr, time);
bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA;
}
- dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec,
- (long)time->tv_nsec);
+ dprintk("%s: time_delta=%lld %ld\n", __func__, time->tv_sec,
+ time->tv_nsec);
return status;
}
@@ -4197,7 +4197,7 @@ static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, str
status = NFS_ATTR_FATTR_MTIME;
bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
}
- dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec);
+ dprintk("%s: mtime=%lld\n", __func__, time->tv_sec);
return status;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.