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ext4: retry allocation when inline->extent conversion failed

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Similarly as other ->write_begin functions in ext4, also
ext4_da_write_inline_data_begin() should retry allocation if the
conversion failed because of ENOSPC. This avoids returning ENOSPC
prematurely because of uncommitted block deletions.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara 2014-01-06 14:02:23 -05:00 committed by Theodore Ts'o
parent 9cb00419fa
commit bc0ca9df3b
1 changed files with 7 additions and 0 deletions
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7
fs/ext4/inline.c
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@ -849,11 +849,13 @@ int ext4_da_write_inline_data_begin(struct address_space *mapping,
handle_t *handle;
struct page *page;
struct ext4_iloc iloc;
int retries;
ret = ext4_get_inode_loc(inode, &iloc);
if (ret)
return ret;
retry_journal:
handle = ext4_journal_start(inode, EXT4_HT_INODE, 1);
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
@ -875,6 +877,11 @@ int ext4_da_write_inline_data_begin(struct address_space *mapping,
inode,
flags,
fsdata);
ext4_journal_stop(handle);
handle = NULL;
if (ret == -ENOSPC &&
ext4_should_retry_alloc(inode->i_sb, &retries))
goto retry_journal;
goto out;
}