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Diffstat (limited to 'fs/ocfs2/inode.c')
-rw-r--r--fs/ocfs2/inode.c87
1 files changed, 31 insertions, 56 deletions
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 7e9e4c79aec7..4903688f72a9 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -49,6 +49,7 @@
#include "symlink.h"
#include "sysfile.h"
#include "uptodate.h"
+#include "xattr.h"
#include "buffer_head_io.h"
@@ -219,6 +220,7 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
struct super_block *sb;
struct ocfs2_super *osb;
int status = -EINVAL;
+ int use_plocks = 1;
mlog_entry("(0x%p, size:%llu)\n", inode,
(unsigned long long)le64_to_cpu(fe->i_size));
@@ -226,6 +228,10 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
sb = inode->i_sb;
osb = OCFS2_SB(sb);
+ if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) ||
+ ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks())
+ use_plocks = 0;
+
/* this means that read_inode cannot create a superblock inode
* today. change if needed. */
if (!OCFS2_IS_VALID_DINODE(fe) ||
@@ -295,13 +301,19 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
- inode->i_fop = &ocfs2_fops;
+ if (use_plocks)
+ inode->i_fop = &ocfs2_fops;
+ else
+ inode->i_fop = &ocfs2_fops_no_plocks;
inode->i_op = &ocfs2_file_iops;
i_size_write(inode, le64_to_cpu(fe->i_size));
break;
case S_IFDIR:
inode->i_op = &ocfs2_dir_iops;
- inode->i_fop = &ocfs2_dops;
+ if (use_plocks)
+ inode->i_fop = &ocfs2_dops;
+ else
+ inode->i_fop = &ocfs2_dops_no_plocks;
i_size_write(inode, le64_to_cpu(fe->i_size));
break;
case S_IFLNK:
@@ -448,8 +460,11 @@ static int ocfs2_read_locked_inode(struct inode *inode,
}
}
- status = ocfs2_read_block(osb, args->fi_blkno, &bh, 0,
- can_lock ? inode : NULL);
+ if (can_lock)
+ status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh,
+ OCFS2_BH_IGNORE_CACHE);
+ else
+ status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -522,6 +537,9 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb,
* data and fast symlinks.
*/
if (fe->i_clusters) {
+ if (ocfs2_should_order_data(inode))
+ ocfs2_begin_ordered_truncate(inode, 0);
+
handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
@@ -730,6 +748,13 @@ static int ocfs2_wipe_inode(struct inode *inode,
goto bail_unlock_dir;
}
+ /*Free extended attribute resources associated with this inode.*/
+ status = ocfs2_xattr_remove(inode, di_bh);
+ if (status < 0) {
+ mlog_errno(status);
+ goto bail_unlock_dir;
+ }
+
status = ocfs2_remove_inode(inode, di_bh, orphan_dir_inode,
orphan_dir_bh);
if (status < 0)
@@ -1081,6 +1106,8 @@ void ocfs2_clear_inode(struct inode *inode)
oi->ip_last_trans = 0;
oi->ip_dir_start_lookup = 0;
oi->ip_blkno = 0ULL;
+ jbd2_journal_release_jbd_inode(OCFS2_SB(inode->i_sb)->journal->j_journal,
+ &oi->ip_jinode);
bail:
mlog_exit_void();
@@ -1107,58 +1134,6 @@ void ocfs2_drop_inode(struct inode *inode)
}
/*
- * TODO: this should probably be merged into ocfs2_get_block
- *
- * However, you now need to pay attention to the cont_prepare_write()
- * stuff in ocfs2_get_block (that is, ocfs2_get_block pretty much
- * expects never to extend).
- */
-struct buffer_head *ocfs2_bread(struct inode *inode,
- int block, int *err, int reada)
-{
- struct buffer_head *bh = NULL;
- int tmperr;
- u64 p_blkno;
- int readflags = OCFS2_BH_CACHED;
-
- if (reada)
- readflags |= OCFS2_BH_READAHEAD;
-
- if (((u64)block << inode->i_sb->s_blocksize_bits) >=
- i_size_read(inode)) {
- BUG_ON(!reada);
- return NULL;
- }
-
- down_read(&OCFS2_I(inode)->ip_alloc_sem);
- tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL,
- NULL);
- up_read(&OCFS2_I(inode)->ip_alloc_sem);
- if (tmperr < 0) {
- mlog_errno(tmperr);
- goto fail;
- }
-
- tmperr = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, &bh,
- readflags, inode);
- if (tmperr < 0)
- goto fail;
-
- tmperr = 0;
-
- *err = 0;
- return bh;
-
-fail:
- if (bh) {
- brelse(bh);
- bh = NULL;
- }
- *err = -EIO;
- return NULL;
-}
-
-/*
* This is called from our getattr.
*/
int ocfs2_inode_revalidate(struct dentry *dentry)