diff options
| author | Josef Bacik <jbacik@redhat.com> | 2008-03-19 17:00:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-19 18:53:36 -0700 |
| commit | c587f0c0a69227587baaa12e75815b6644457c0a (patch) | |
| tree | 5ef93bd6d73fdab6084de20988b8934dbc10ae08 /fs/ext3 | |
| parent | ffda6857c87fbe3ab144ff3f34b89421eed048cf (diff) | |
| download | lwn-c587f0c0a69227587baaa12e75815b6644457c0a.tar.gz lwn-c587f0c0a69227587baaa12e75815b6644457c0a.zip | |
ext3: fix wrong gfp type under transaction
There are several places where we make allocations with GFP_KERNEL while under
a transaction, which could lead to an assertion panic or lockup if under
memory pressure. This patch switches these problem areas to use GFP_NOFS to
keep these problems from happening.
Signed-off-by: Josef Bacik <jbacik@redhat.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ext3')
| -rw-r--r-- | fs/ext3/acl.c | 8 | ||||
| -rw-r--r-- | fs/ext3/resize.c | 4 | ||||
| -rw-r--r-- | fs/ext3/xattr.c | 4 |
3 files changed, 8 insertions, 8 deletions
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c index d34e9967430a..a754d1848173 100644 --- a/fs/ext3/acl.c +++ b/fs/ext3/acl.c @@ -37,7 +37,7 @@ ext3_acl_from_disk(const void *value, size_t size) return ERR_PTR(-EINVAL); if (count == 0) return NULL; - acl = posix_acl_alloc(count, GFP_KERNEL); + acl = posix_acl_alloc(count, GFP_NOFS); if (!acl) return ERR_PTR(-ENOMEM); for (n=0; n < count; n++) { @@ -91,7 +91,7 @@ ext3_acl_to_disk(const struct posix_acl *acl, size_t *size) *size = ext3_acl_size(acl->a_count); ext_acl = kmalloc(sizeof(ext3_acl_header) + acl->a_count * - sizeof(ext3_acl_entry), GFP_KERNEL); + sizeof(ext3_acl_entry), GFP_NOFS); if (!ext_acl) return ERR_PTR(-ENOMEM); ext_acl->a_version = cpu_to_le32(EXT3_ACL_VERSION); @@ -187,7 +187,7 @@ ext3_get_acl(struct inode *inode, int type) } retval = ext3_xattr_get(inode, name_index, "", NULL, 0); if (retval > 0) { - value = kmalloc(retval, GFP_KERNEL); + value = kmalloc(retval, GFP_NOFS); if (!value) return ERR_PTR(-ENOMEM); retval = ext3_xattr_get(inode, name_index, "", value, retval); @@ -335,7 +335,7 @@ ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) if (error) goto cleanup; } - clone = posix_acl_clone(acl, GFP_KERNEL); + clone = posix_acl_clone(acl, GFP_NOFS); error = -ENOMEM; if (!clone) goto cleanup; diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 9397d779c43d..0e97b6e07cb0 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -485,7 +485,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode, goto exit_dindj; n_group_desc = kmalloc((gdb_num + 1) * sizeof(struct buffer_head *), - GFP_KERNEL); + GFP_NOFS); if (!n_group_desc) { err = -ENOMEM; ext3_warning (sb, __FUNCTION__, @@ -568,7 +568,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode, int res, i; int err; - primary = kmalloc(reserved_gdb * sizeof(*primary), GFP_KERNEL); + primary = kmalloc(reserved_gdb * sizeof(*primary), GFP_NOFS); if (!primary) return -ENOMEM; diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c index fb89c299bece..a6ea4d6a8bb2 100644 --- a/fs/ext3/xattr.c +++ b/fs/ext3/xattr.c @@ -728,7 +728,7 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode, ce = NULL; } ea_bdebug(bs->bh, "cloning"); - s->base = kmalloc(bs->bh->b_size, GFP_KERNEL); + s->base = kmalloc(bs->bh->b_size, GFP_NOFS); error = -ENOMEM; if (s->base == NULL) goto cleanup; @@ -740,7 +740,7 @@ ext3_xattr_block_set(handle_t *handle, struct inode *inode, } } else { /* Allocate a buffer where we construct the new block. */ - s->base = kzalloc(sb->s_blocksize, GFP_KERNEL); + s->base = kzalloc(sb->s_blocksize, GFP_NOFS); /* assert(header == s->base) */ error = -ENOMEM; if (s->base == NULL) |