diff options
| author | Jan Kara <jack@suse.cz> | 2022-12-07 19:34:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-12-21 19:48:05 +0300 |
| commit | 1cd3e9297d44a29bf9106f87e94c5ef6b248effe (patch) | |
| tree | 9ba5af7fd78f03a56705e31336212da7c2c22c33 | |
| parent | 12a88f572d6d94b5c0b72e2d1782cc2e96ac06cf (diff) | |
| download | linux-1cd3e9297d44a29bf9106f87e94c5ef6b248effe.tar.xz | |
udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size
commit 6ad53f0f71c52871202a7bf096feb2c59db33fc5 upstream.
If rounded block-rounded i_lenExtents matches block rounded i_size,
there are no preallocation extents. Do not bother walking extent linked
list.
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/udf/truncate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index a9790fb32f5f..036ebd892b85 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -127,9 +127,10 @@ void udf_discard_prealloc(struct inode *inode) uint64_t lbcount = 0; int8_t etype = -1, netype; struct udf_inode_info *iinfo = UDF_I(inode); + int bsize = 1 << inode->i_blkbits; if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB || - inode->i_size == iinfo->i_lenExtents) + ALIGN(inode->i_size, bsize) == ALIGN(iinfo->i_lenExtents, bsize)) return; epos.block = iinfo->i_location; |