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The get_dnode_of_data nullifies inode and node page when error is occurred.
There are two cases that passes inode page into get_dnode_of_data().
1. make_empty_dir()
-> get_new_data_page()
-> f2fs_reserve_block(ipage)
-> get_dnode_of_data()
2. f2fs_convert_inline_data()
-> __f2fs_convert_inline_data()
-> f2fs_reserve_block(ipage)
-> get_dnode_of_data()
This patch adds correct error handling codes when get_dnode_of_data() returns
an error.
At first, f2fs_reserve_block() calls f2fs_put_dnode() whenever reserve_new_block
returns an error.
So, the rule of f2fs_reserve_block() is to nullify inode page when there is any
error internally.
Finally, two callers of f2fs_reserve_block() should call f2fs_put_dnode()
appropriately if they got an error since successful f2fs_reserve_block().
Signed-off-by: Jaegeuk Kim <[email protected]>
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This patch adds a inline_data recovery routine with the following policy.
[prev.] [next] of inline_data flag
o o -> recover inline_data
o x -> remove inline_data, and then recover data blocks
x o -> remove inline_data, and then recover inline_data
x x -> recover data blocks
Signed-off-by: Jaegeuk Kim <[email protected]>
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This patch adds the number of inline_data files into the status information.
Note that the number is reset whenever the filesystem is newly mounted.
Signed-off-by: Jaegeuk Kim <[email protected]>
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Change log from v1:
o handle NULL pointer of grab_cache_page_write_begin() pointed by Chao Yu.
This patch refactors f2fs_convert_inline_data to check a couple of conditions
internally for deciding whether it needs to convert inline_data or not.
So, the new f2fs_convert_inline_data initially checks:
1) f2fs_has_inline_data(), and
2) the data size to be changed.
If the inode has inline_data but the size to fill is less than MAX_INLINE_DATA,
then we don't need to convert the inline_data with data allocation.
Signed-off-by: Jaegeuk Kim <[email protected]>
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Functions to implement inline data read/write, and move inline data to
normal data block when file size exceeds inline data limitation.
Signed-off-by: Huajun Li <[email protected]>
Signed-off-by: Haicheng Li <[email protected]>
Signed-off-by: Weihong Xu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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