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ext4: fix the comment describing ext4_ext_search_right()

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The comment describing what ext4_ext_search_right() does is incorrect.
We return 0 in *phys when *logical is the 'largest' allocated block,
not smallest.  

Fix a few other typos while we're at it.

Cc: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
This commit is contained in:
Tao Ma 2011-10-08 15:53:49 -04:00 committed by Theodore Ts'o
parent 4113c4caa4
commit df3ab17072
2 changed files with 4 additions and 4 deletions
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4
fs/ext4/extents.c
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@ -1263,7 +1263,7 @@ static int ext4_ext_search_left(struct inode *inode,
/*
* search the closest allocated block to the right for *logical
* and returns it at @logical + it's physical address at @phys
* if *logical is the smallest allocated block, the function
* if *logical is the largest allocated block, the function
* returns 0 at @phys
* return value contains 0 (success) or error code
*/
@ -2168,7 +2168,7 @@ int ext4_ext_calc_credits_for_single_extent(struct inode *inode, int nrblocks,
* need to account for leaf block credit
*
* bitmaps and block group descriptor blocks
* and other metadat blocks still need to be
* and other metadata blocks still need to be
* accounted.
*/
/* 1 bitmap, 1 block group descriptor */

4
fs/ext4/inode.c
View file

@ -458,7 +458,7 @@ static void set_buffers_da_mapped(struct inode *inode,
* the buffer head is mapped.
*
* It returns 0 if plain look up failed (blocks have not been allocated), in
* that casem, buffer head is unmapped
* that case, buffer head is unmapped
*
* It returns the error in case of allocation failure.
*/
@ -497,7 +497,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
* Returns if the blocks have already allocated
*
* Note that if blocks have been preallocated
* ext4_ext_get_block() returns th create = 0
* ext4_ext_get_block() returns the create = 0
* with buffer head unmapped.
*/
if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED)