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Diffstat (limited to 'fs/nfs/nfs3proc.c')
-rw-r--r--fs/nfs/nfs3proc.c128
1 files changed, 78 insertions, 50 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index e701002694e5..fabb4f2849a1 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -144,14 +144,12 @@ static int
nfs3_proc_lookup(struct inode *dir, struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
- struct nfs_fattr dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
.len = name->len
};
struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
.fh = fhandle,
.fattr = fattr
};
@@ -163,29 +161,30 @@ nfs3_proc_lookup(struct inode *dir, struct qstr *name,
int status;
dprintk("NFS call lookup %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ return -ENOMEM;
+
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_refresh_inode(dir, &dir_attr);
+ nfs_refresh_inode(dir, res.dir_attr);
if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
msg.rpc_argp = fhandle;
msg.rpc_resp = fattr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
}
+ nfs_free_fattr(res.dir_attr);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
{
- struct nfs_fattr fattr;
struct nfs3_accessargs arg = {
.fh = NFS_FH(inode),
};
- struct nfs3_accessres res = {
- .fattr = &fattr,
- };
+ struct nfs3_accessres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
.rpc_argp = &arg,
@@ -193,7 +192,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
.rpc_cred = entry->cred,
};
int mode = entry->mask;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call access\n");
@@ -210,9 +209,13 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
if (mode & MAY_EXEC)
arg.access |= NFS3_ACCESS_EXECUTE;
}
- nfs_fattr_init(&fattr);
+
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, res.fattr);
if (status == 0) {
entry->mask = 0;
if (res.access & NFS3_ACCESS_READ)
@@ -222,6 +225,8 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
entry->mask |= MAY_EXEC;
}
+ nfs_free_fattr(res.fattr);
+out:
dprintk("NFS reply access: %d\n", status);
return status;
}
@@ -229,7 +234,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
static int nfs3_proc_readlink(struct inode *inode, struct page *page,
unsigned int pgbase, unsigned int pglen)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs3_readlinkargs args = {
.fh = NFS_FH(inode),
.pgbase = pgbase,
@@ -239,14 +244,19 @@ static int nfs3_proc_readlink(struct inode *inode, struct page *page,
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
.rpc_argp = &args,
- .rpc_resp = &fattr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call readlink\n");
- nfs_fattr_init(&fattr);
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+ msg.rpc_resp = fattr;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
dprintk("NFS reply readlink: %d\n", status);
return status;
}
@@ -396,12 +406,17 @@ nfs3_proc_remove(struct inode *dir, struct qstr *name)
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call remove %s\n", name->name);
- nfs_fattr_init(&res.dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &res.dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply remove: %d\n", status);
return status;
}
@@ -419,7 +434,7 @@ nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
if (nfs3_async_handle_jukebox(task, dir))
return 0;
res = task->tk_msg.rpc_resp;
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
@@ -427,7 +442,6 @@ static int
nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
struct inode *new_dir, struct qstr *new_name)
{
- struct nfs_fattr old_dir_attr, new_dir_attr;
struct nfs3_renameargs arg = {
.fromfh = NFS_FH(old_dir),
.fromname = old_name->name,
@@ -436,23 +450,27 @@ nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
.toname = new_name->name,
.tolen = new_name->len
};
- struct nfs3_renameres res = {
- .fromattr = &old_dir_attr,
- .toattr = &new_dir_attr
- };
+ struct nfs3_renameres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
- nfs_fattr_init(&old_dir_attr);
- nfs_fattr_init(&new_dir_attr);
+
+ res.fromattr = nfs_alloc_fattr();
+ res.toattr = nfs_alloc_fattr();
+ if (res.fromattr == NULL || res.toattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
- nfs_post_op_update_inode(old_dir, &old_dir_attr);
- nfs_post_op_update_inode(new_dir, &new_dir_attr);
+ nfs_post_op_update_inode(old_dir, res.fromattr);
+ nfs_post_op_update_inode(new_dir, res.toattr);
+out:
+ nfs_free_fattr(res.toattr);
+ nfs_free_fattr(res.fromattr);
dprintk("NFS reply rename: %d\n", status);
return status;
}
@@ -460,30 +478,32 @@ nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
static int
nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr, fattr;
struct nfs3_linkargs arg = {
.fromfh = NFS_FH(inode),
.tofh = NFS_FH(dir),
.toname = name->name,
.tolen = name->len
};
- struct nfs3_linkres res = {
- .dir_attr = &dir_attr,
- .fattr = &fattr
- };
+ struct nfs3_linkres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call link %s\n", name->name);
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
+ res.fattr = nfs_alloc_fattr();
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.fattr == NULL || res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- nfs_post_op_update_inode(inode, &fattr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_post_op_update_inode(inode, res.fattr);
+out:
+ nfs_free_fattr(res.dir_attr);
+ nfs_free_fattr(res.fattr);
dprintk("NFS reply link: %d\n", status);
return status;
}
@@ -554,7 +574,7 @@ out:
static int
nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr;
+ struct nfs_fattr *dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
@@ -563,14 +583,19 @@ nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
.rpc_argp = &arg,
- .rpc_resp = &dir_attr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rmdir %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ dir_attr = nfs_alloc_fattr();
+ if (dir_attr == NULL)
+ goto out;
+
+ msg.rpc_resp = dir_attr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
+ nfs_post_op_update_inode(dir, dir_attr);
+ nfs_free_fattr(dir_attr);
+out:
dprintk("NFS reply rmdir: %d\n", status);
return status;
}
@@ -589,7 +614,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
u64 cookie, struct page *page, unsigned int count, int plus)
{
struct inode *dir = dentry->d_inode;
- struct nfs_fattr dir_attr;
__be32 *verf = NFS_COOKIEVERF(dir);
struct nfs3_readdirargs arg = {
.fh = NFS_FH(dir),
@@ -600,7 +624,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
.pages = &page
};
struct nfs3_readdirres res = {
- .dir_attr = &dir_attr,
.verf = verf,
.plus = plus
};
@@ -610,7 +633,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
.rpc_resp = &res,
.rpc_cred = cred
};
- int status;
+ int status = -ENOMEM;
if (plus)
msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
@@ -618,12 +641,17 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
dprintk("NFS call readdir%s %d\n",
plus? "plus" : "", (unsigned int) cookie);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
nfs_invalidate_atime(dir);
+ nfs_refresh_inode(dir, res.dir_attr);
- nfs_refresh_inode(dir, &dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply readdir: %d\n", status);
return status;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.