mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 20:22:09 +00:00
NFS: Remove BKL from the symlink code
Page cache accesses are serialised using page locks, whereas attribute updates are serialised using inode->i_lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
52e2e8d37e
commit
76566991f9
@ -1482,13 +1482,9 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym
|
||||
attr.ia_mode = S_IFLNK | S_IRWXUGO;
|
||||
attr.ia_valid = ATTR_MODE;
|
||||
|
||||
lock_kernel();
|
||||
|
||||
page = alloc_page(GFP_HIGHUSER);
|
||||
if (!page) {
|
||||
unlock_kernel();
|
||||
if (!page)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
kaddr = kmap_atomic(page, KM_USER0);
|
||||
memcpy(kaddr, symname, pathlen);
|
||||
@ -1503,7 +1499,6 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym
|
||||
dentry->d_name.name, symname, error);
|
||||
d_drop(dentry);
|
||||
__free_page(page);
|
||||
unlock_kernel();
|
||||
return error;
|
||||
}
|
||||
|
||||
@ -1521,7 +1516,6 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym
|
||||
} else
|
||||
__free_page(page);
|
||||
|
||||
unlock_kernel();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user