The patch titled
Subject: fat: skip cluster allocation on fallocated region
has been removed from the -mm tree. Its filename was
fat-skip-cluster-allocation-on-fallocated-region.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Subject: fat: skip cluster allocation on fallocated region
Skip new cluster allocation after checking i_blocks limit in _fat_get_block,
because the blocks are already allocated in fallocated region.
Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Amit Sahrawat <a.sahrawat@xxxxxxxxxxx>
Cc: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/fat/inode.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff -puN fs/fat/inode.c~fat-skip-cluster-allocation-on-fallocated-region fs/fat/inode.c
--- a/fs/fat/inode.c~fat-skip-cluster-allocation-on-fallocated-region
+++ a/fs/fat/inode.c
@@ -144,7 +144,12 @@ static inline int __fat_get_block(struct
}
offset = (unsigned long)iblock & (sbi->sec_per_clus - 1);
- if (!offset) {
+ /*
+ * allocate a cluster according to the following.
+ * 1) no more available blocks
+ * 2) not part of fallocate region
+ */
+ if (!offset && !(iblock < (sector_t)inode->i_blocks)) {
/* TODO: multiple cluster allocation would be desirable. */
err = fat_add_cluster(inode);
if (err)
_
Patches currently in -mm which might be from namjae.jeon@xxxxxxxxxxx are
fat-permit-to-return-phy-block-number-by-fibmap-in-fallocated-region.patch
documentation-filesystems-vfattxt-update-the-limitation-for-fat-fallocate.patch
fat-fix-data-past-eof-resulting-from-fsx-testsuite.patch
fat-fix-data-past-eof-resulting-from-fsx-testsuite-v2.patch
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