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fs/minix: remove expected error message in block_to_path()

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When truncating a file to a size within the last allowed logical block,
block_to_path() is called with the *next* block.  This exceeds the limit,
causing the "block %ld too big" error message to be printed.

This case isn't actually an error; there are just no more blocks past that
point.  So, remove this error message.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Qiujun Huang <anenbupt@gmail.com>
Link: http://lkml.kernel.org/r/20200628060846.682158-7-ebiggers@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Biggers 2020-08-11 18:35:39 -07:00 committed by Linus Torvalds
parent 0a12c4a806
commit f666f9fb9a
2 changed files with 12 additions and 12 deletions
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12
fs/minix/itree_v1.c
View File

@ -29,12 +29,12 @@ static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
if (block < 0) {
printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg\n",
block, inode->i_sb->s_bdev);
} else if ((u64)block * BLOCK_SIZE >= inode->i_sb->s_maxbytes) {
if (printk_ratelimit())
printk("MINIX-fs: block_to_path: "
"block %ld too big on dev %pg\n",
block, inode->i_sb->s_bdev);
} else if (block < 7) {
return 0;
}
if ((u64)block * BLOCK_SIZE >= inode->i_sb->s_maxbytes)
return 0;
if (block < 7) {
offsets[n++] = block;
} else if ((block -= 7) < 512) {
offsets[n++] = 7;

12
fs/minix/itree_v2.c
View File

@ -32,12 +32,12 @@ static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
if (block < 0) {
printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg\n",
block, sb->s_bdev);
} else if ((u64)block * (u64)sb->s_blocksize >= sb->s_maxbytes) {
if (printk_ratelimit())
printk("MINIX-fs: block_to_path: "
"block %ld too big on dev %pg\n",
block, sb->s_bdev);
} else if (block < DIRCOUNT) {
return 0;
}
if ((u64)block * (u64)sb->s_blocksize >= sb->s_maxbytes)
return 0;
if (block < DIRCOUNT) {
offsets[n++] = block;
} else if ((block -= DIRCOUNT) < INDIRCOUNT(sb)) {
offsets[n++] = DIRCOUNT;