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authorAl Viro <viro@zeniv.linux.org.uk>2010-06-04 23:32:28 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-09 16:47:57 -0400
commit72edc4d0873ba5165c0759264298bf5f55351c7a (patch)
treee9a7f27de6e646f03b25f2c3fa2ad7f6a786100b /fs/ext2
parent3937871d91e4f43e4aaf0b214c68a7857c0e6e80 (diff)
downloadop-kernel-dev-72edc4d0873ba5165c0759264298bf5f55351c7a.zip
op-kernel-dev-72edc4d0873ba5165c0759264298bf5f55351c7a.tar.gz
merge ext2 delete_inode and clear_inode, switch to ->evict_inode()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/ext2.h2
-rw-r--r--fs/ext2/ialloc.c13
-rw-r--r--fs/ext2/inode.c44
-rw-r--r--fs/ext2/super.c14
4 files changed, 36 insertions, 37 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 8f53d11..416daa6 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -119,7 +119,7 @@ extern unsigned long ext2_count_free (struct buffer_head *, unsigned);
/* inode.c */
extern struct inode *ext2_iget (struct super_block *, unsigned long);
extern int ext2_write_inode (struct inode *, struct writeback_control *);
-extern void ext2_delete_inode (struct inode *);
+extern void ext2_evict_inode(struct inode *);
extern int ext2_sync_inode (struct inode *);
extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern int ext2_setattr (struct dentry *, struct iattr *);
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 938dbc7..ad70479 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -118,19 +118,14 @@ void ext2_free_inode (struct inode * inode)
* Note: we must free any quota before locking the superblock,
* as writing the quota to disk may need the lock as well.
*/
- if (!is_bad_inode(inode)) {
- /* Quota is already initialized in iput() */
- ext2_xattr_delete_inode(inode);
- dquot_free_inode(inode);
- dquot_drop(inode);
- }
+ /* Quota is already initialized in iput() */
+ ext2_xattr_delete_inode(inode);
+ dquot_free_inode(inode);
+ dquot_drop(inode);
es = EXT2_SB(sb)->s_es;
is_directory = S_ISDIR(inode->i_mode);
- /* Do this BEFORE marking the inode not in use or returning an error */
- clear_inode (inode);
-
if (ino < EXT2_FIRST_INO(sb) ||
ino > le32_to_cpu(es->s_inodes_count)) {
ext2_error (sb, "ext2_free_inode",
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index e8af26d..940c961 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -69,26 +69,42 @@ static void ext2_write_failed(struct address_space *mapping, loff_t to)
/*
* Called at the last iput() if i_nlink is zero.
*/
-void ext2_delete_inode (struct inode * inode)
+void ext2_evict_inode(struct inode * inode)
{
- if (!is_bad_inode(inode))
+ struct ext2_block_alloc_info *rsv;
+ int want_delete = 0;
+
+ if (!inode->i_nlink && !is_bad_inode(inode)) {
+ want_delete = 1;
dquot_initialize(inode);
+ } else {
+ dquot_drop(inode);
+ }
+
truncate_inode_pages(&inode->i_data, 0);
- if (is_bad_inode(inode))
- goto no_delete;
- EXT2_I(inode)->i_dtime = get_seconds();
- mark_inode_dirty(inode);
- __ext2_write_inode(inode, inode_needs_sync(inode));
+ if (want_delete) {
+ /* set dtime */
+ EXT2_I(inode)->i_dtime = get_seconds();
+ mark_inode_dirty(inode);
+ __ext2_write_inode(inode, inode_needs_sync(inode));
+ /* truncate to 0 */
+ inode->i_size = 0;
+ if (inode->i_blocks)
+ ext2_truncate_blocks(inode, 0);
+ }
- inode->i_size = 0;
- if (inode->i_blocks)
- ext2_truncate_blocks(inode, 0);
- ext2_free_inode (inode);
+ invalidate_inode_buffers(inode);
+ end_writeback(inode);
+
+ ext2_discard_reservation(inode);
+ rsv = EXT2_I(inode)->i_block_alloc_info;
+ EXT2_I(inode)->i_block_alloc_info = NULL;
+ if (unlikely(rsv))
+ kfree(rsv);
- return;
-no_delete:
- clear_inode(inode); /* We must guarantee clearing of inode... */
+ if (want_delete)
+ ext2_free_inode(inode);
}
typedef struct {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 7ff43f4..1ec6026 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -195,17 +195,6 @@ static void destroy_inodecache(void)
kmem_cache_destroy(ext2_inode_cachep);
}
-static void ext2_clear_inode(struct inode *inode)
-{
- struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info;
-
- dquot_drop(inode);
- ext2_discard_reservation(inode);
- EXT2_I(inode)->i_block_alloc_info = NULL;
- if (unlikely(rsv))
- kfree(rsv);
-}
-
static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs)
{
struct super_block *sb = vfs->mnt_sb;
@@ -299,13 +288,12 @@ static const struct super_operations ext2_sops = {
.alloc_inode = ext2_alloc_inode,
.destroy_inode = ext2_destroy_inode,
.write_inode = ext2_write_inode,
- .delete_inode = ext2_delete_inode,
+ .evict_inode = ext2_evict_inode,
.put_super = ext2_put_super,
.write_super = ext2_write_super,
.sync_fs = ext2_sync_fs,
.statfs = ext2_statfs,
.remount_fs = ext2_remount,
- .clear_inode = ext2_clear_inode,
.show_options = ext2_show_options,
#ifdef CONFIG_QUOTA
.quota_read = ext2_quota_read,
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