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fat: Opencode sync_page_range_nolock()

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fat_cont_expand() is the only user of sync_page_range_nolock(). It's also the
only user of generic_osync_inode() which does not have a file open.  So
opencode needed actions for FAT so that we can convert generic_osync_inode() to
a standard syncing path.

Update a comment about generic_osync_inode().

CC: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2009-08-17 17:00:02 +02:00
parent aa3caafe53
commit 2f3d675bcd
2 changed files with 22 additions and 4 deletions
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22
fs/fat/file.c
View file

@ -176,8 +176,26 @@ static int fat_cont_expand(struct inode *inode, loff_t size)
inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC;
mark_inode_dirty(inode); mark_inode_dirty(inode);
if (IS_SYNC(inode)) if (IS_SYNC(inode)) {
err = sync_page_range_nolock(inode, mapping, start, count); int err2;
/*
* Opencode syncing since we don't have a file open to use
* standard fsync path.
*/
err = filemap_fdatawrite_range(mapping, start,
start + count - 1);
err2 = sync_mapping_buffers(mapping);
if (!err)
err = err2;
err2 = write_inode_now(inode, 1);
if (!err)
err = err2;
if (!err) {
err = filemap_fdatawait_range(mapping, start,
start + count - 1);
}
}
out: out:
return err; return err;
} }

4
fs/fat/misc.c
View file

@ -119,8 +119,8 @@ int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster)
MSDOS_I(inode)->i_start = new_dclus; MSDOS_I(inode)->i_start = new_dclus;
MSDOS_I(inode)->i_logstart = new_dclus; MSDOS_I(inode)->i_logstart = new_dclus;
/* /*
* Since generic_osync_inode() synchronize later if * Since generic_write_sync() synchronizes regular files later,
* this is not directory, we don't here. * we sync here only directories.
*/ */
if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) { if (S_ISDIR(inode->i_mode) && IS_DIRSYNC(inode)) {
ret = fat_sync_inode(inode); ret = fat_sync_inode(inode);