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wrappers for ->i_mutex access

Przeglądaj źródła 
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).

Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-01-22 15:40:57 -05:00
rodzic 57b8f112cf
commit 5955102c99
177 zmienionych plików z 908 dodań i 883 usunięć
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16
fs/ocfs2/move_extents.c
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@@ -276,7 +276,7 @@ static int ocfs2_defrag_extent(struct ocfs2_move_extents_context *context,
* context->data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv;
*/
mutex_lock(&tl_inode->i_mutex);
inode_lock(tl_inode);
if (ocfs2_truncate_log_needs_flush(osb)) {
ret = __ocfs2_flush_truncate_log(osb);
@@ -338,7 +338,7 @@ out_commit:
ocfs2_commit_trans(osb, handle);
out_unlock_mutex:
mutex_unlock(&tl_inode->i_mutex);
inode_unlock(tl_inode);
if (context->data_ac) {
ocfs2_free_alloc_context(context->data_ac);
@@ -632,7 +632,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
goto out;
}
mutex_lock(&gb_inode->i_mutex);
inode_lock(gb_inode);
ret = ocfs2_inode_lock(gb_inode, &gb_bh, 1);
if (ret) {
@@ -640,7 +640,7 @@ static int ocfs2_move_extent(struct ocfs2_move_extents_context *context,
goto out_unlock_gb_mutex;
}
mutex_lock(&tl_inode->i_mutex);
inode_lock(tl_inode);
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
@@ -708,11 +708,11 @@ out_commit:
brelse(gd_bh);
out_unlock_tl_inode:
mutex_unlock(&tl_inode->i_mutex);
inode_unlock(tl_inode);
ocfs2_inode_unlock(gb_inode, 1);
out_unlock_gb_mutex:
mutex_unlock(&gb_inode->i_mutex);
inode_unlock(gb_inode);
brelse(gb_bh);
iput(gb_inode);
@@ -905,7 +905,7 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context)
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb))
return -EROFS;
mutex_lock(&inode->i_mutex);
inode_lock(inode);
/*
* This prevents concurrent writes from other nodes
@@ -969,7 +969,7 @@ out_inode_unlock:
out_rw_unlock:
ocfs2_rw_unlock(inode, 1);
out:
mutex_unlock(&inode->i_mutex);
inode_unlock(inode);
return status;
}