Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=742ba02a51c8d0bf5446b154531179760c1ed0a2
Commit: 742ba02a51c8d0bf5446b154531179760c1ed0a2
Parent: 3f2587bb22bbcd679e9cf034fb4a29bb48b051b3
Author: Marcin Slusarz <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:20:40 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:35 2008 -0800
udf: create common function for changing free space counter
Signed-off-by: Marcin Slusarz <[EMAIL PROTECTED]>
Acked-by: Jan Kara <[EMAIL PROTECTED]>
Cc: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
fs/udf/balloc.c | 49 ++++++++++++++++++++-----------------------------
1 files changed, 20 insertions(+), 29 deletions(-)
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index dc9f8a9..c3db91b 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -140,6 +140,20 @@ static inline int load_block_bitmap(struct super_block *sb,
return slot;
}
+static bool udf_add_free_space(struct udf_sb_info *sbi,
+ u16 partition, u32 cnt)
+{
+ struct logicalVolIntegrityDesc *lvid;
+
+ if (sbi->s_lvid_bh)
+ return false;
+
+ lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
+ lvid->freeSpaceTable[partition] = cpu_to_le32(le32_to_cpu(
+ lvid->freeSpaceTable[partition]) + cnt);
+ return true;
+}
+
static void udf_bitmap_free_blocks(struct super_block *sb,
struct inode *inode,
struct udf_bitmap *bitmap,
@@ -194,11 +208,7 @@ do_more:
} else {
if (inode)
DQUOT_FREE_BLOCK(inode, 1);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[sbi->s_partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + 1);
- }
+ udf_add_free_space(sbi, sbi->s_partition, 1);
}
}
mark_buffer_dirty(bh);
@@ -268,12 +278,8 @@ repeat:
if (block_count > 0)
goto repeat;
out:
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+ if (udf_add_free_space(sbi, partition, -alloc_count))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
return alloc_count;
@@ -404,12 +410,8 @@ got_block:
mark_buffer_dirty(bh);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+ if (udf_add_free_space(sbi, partition, -1))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
*err = 0;
@@ -450,12 +452,8 @@ static void udf_table_free_blocks(struct super_block *sb,
could occure, but.. oh well */
if (inode)
DQUOT_FREE_BLOCK(inode, count);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[sbi->s_partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[sbi->s_partition]) + count);
+ if (udf_add_free_space(sbi, sbi->s_partition, count))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
start = bloc.logicalBlockNum + offset;
end = bloc.logicalBlockNum + offset + count - 1;
@@ -719,10 +717,7 @@ static int udf_table_prealloc_blocks(struct super_block
*sb,
brelse(epos.bh);
- if (alloc_count && sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - alloc_count);
+ if (alloc_count && udf_add_free_space(sbi, partition, -alloc_count)) {
mark_buffer_dirty(sbi->s_lvid_bh);
sb->s_dirt = 1;
}
@@ -822,12 +817,8 @@ static int udf_table_new_block(struct super_block *sb,
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
brelse(goal_epos.bh);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDesc *lvid = (struct
logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- lvid->freeSpaceTable[partition] =
-
cpu_to_le32(le32_to_cpu(lvid->freeSpaceTable[partition]) - 1);
+ if (udf_add_free_space(sbi, partition, -1))
mark_buffer_dirty(sbi->s_lvid_bh);
- }
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
-
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