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| author | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
| commit | 775d71e49c65f1f6aa57776ea1da62988fc9a30a (patch) | |
| tree | ce03cae544bacc8dda67422fd66a543dd1ae3c99 /fs/ext4/inode.c | |
| parent | 18e82d2b952ab57fc1c8a69d4fa14e562f2aecf6 (diff) | |
| parent | c1a952f48517b5545075d8eb1a5d543099bd2ae1 (diff) | |
Merge branch 'upstream/linaro.38' into linaro-android.38KNOWN_GOOD
Diffstat (limited to 'fs/ext4/inode.c')
| -rw-r--r-- | fs/ext4/inode.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 9f7f9e49914..fee51dbf74d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5460,13 +5460,12 @@ static int ext4_indirect_trans_blocks(struct inode *inode, int nrblocks, /* if nrblocks are contiguous */ if (chunk) { /* - * With N contiguous data blocks, it need at most - * N/EXT4_ADDR_PER_BLOCK(inode->i_sb) indirect blocks - * 2 dindirect blocks - * 1 tindirect block + * With N contiguous data blocks, we need at most + * N/EXT4_ADDR_PER_BLOCK(inode->i_sb) + 1 indirect blocks, + * 2 dindirect blocks, and 1 tindirect block */ - indirects = nrblocks / EXT4_ADDR_PER_BLOCK(inode->i_sb); - return indirects + 3; + return DIV_ROUND_UP(nrblocks, + EXT4_ADDR_PER_BLOCK(inode->i_sb)) + 4; } /* * if nrblocks are not contiguous, worse case, each block touch |