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authorMark Fasheh <mark.fasheh@oracle.com>2007-07-03 13:34:11 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2007-07-10 17:32:08 -0700
commit063c4561f52a74de686fe0ff2f96f4f54c9fecd2 (patch)
tree73a202c316df70bdfafa489d70e2863c5c5ea33a /fs/ocfs2/alloc.c
parent35edec1d52c075975991471d624b33b9336226f2 (diff)
ocfs2: support for removing file regions
Provide an internal interface for the removal of arbitrary file regions. ocfs2_remove_inode_range() takes a byte range within a file and will remove existing extents within that range. Partial clusters will be zeroed so that any read from within the region will return zeros. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/alloc.c')
-rw-r--r--fs/ocfs2/alloc.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index df186d2e8248..f5e11f4fa952 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -4373,10 +4373,10 @@ out:
return ret;
}
-static int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh,
- u32 cpos, u32 len, handle_t *handle,
- struct ocfs2_alloc_context *meta_ac,
- struct ocfs2_cached_dealloc_ctxt *dealloc)
+int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh,
+ u32 cpos, u32 len, handle_t *handle,
+ struct ocfs2_alloc_context *meta_ac,
+ struct ocfs2_cached_dealloc_ctxt *dealloc)
{
int ret, index;
u32 rec_range, trunc_range;
@@ -4506,7 +4506,7 @@ out:
return ret;
}
-static inline int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb)
+int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb)
{
struct buffer_head *tl_bh = osb->osb_tl_bh;
struct ocfs2_dinode *di;
@@ -4539,10 +4539,10 @@ static int ocfs2_truncate_log_can_coalesce(struct ocfs2_truncate_log *tl,
return current_tail == new_start;
}
-static int ocfs2_truncate_log_append(struct ocfs2_super *osb,
- handle_t *handle,
- u64 start_blk,
- unsigned int num_clusters)
+int ocfs2_truncate_log_append(struct ocfs2_super *osb,
+ handle_t *handle,
+ u64 start_blk,
+ unsigned int num_clusters)
{
int status, index;
unsigned int start_cluster, tl_count;
@@ -4698,7 +4698,7 @@ bail:
}
/* Expects you to already be holding tl_inode->i_mutex */
-static int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
+int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
{
int status;
unsigned int num_to_flush;