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author | Christoph Hellwig <hch@tuxera.com> | 2010-11-23 13:38:06 (GMT) |
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committer | Christoph Hellwig <hch@lst.de> | 2010-11-23 13:38:06 (GMT) |
commit | 281469766bdde2d14bc73e1fec347e6dd7f63319 (patch) | |
tree | 32b00c29067aa60fc7ad3277816bd86900a1c81d /fs/hfsplus | |
parent | f02e26f8d90f8cde98314c72c2e890bc281a8346 (diff) | |
download | linux-fsl-qoriq-281469766bdde2d14bc73e1fec347e6dd7f63319.tar.xz |
hfsplus: simplify fsync
Remove lots of code we don't need from fsync, we just need to call
->write_inode on the inode if it's dirty, for which sync_inode_metadata
is a lot more efficient than write_inode_now, and we need to write
out the various metadata inodes, which we now do explicitly instead
of by calling ->sync_fs.
Signed-off-by: Christoph Hellwig <hch@tuxera.com>
Diffstat (limited to 'fs/hfsplus')
-rw-r--r-- | fs/hfsplus/inode.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 8afd7e8..be68961 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -302,29 +302,28 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) return 0; } -static int hfsplus_file_fsync(struct file *filp, int datasync) +static int hfsplus_file_fsync(struct file *file, int datasync) { - struct inode *inode = filp->f_mapping->host; - struct super_block * sb; - int ret, err; - - /* sync the inode to buffers */ - ret = write_inode_now(inode, 0); - - /* sync the superblock to buffers */ - sb = inode->i_sb; - if (sb->s_dirt) { - if (!(sb->s_flags & MS_RDONLY)) - hfsplus_sync_fs(sb, 1); - else - sb->s_dirt = 0; - } + struct inode *inode = file->f_mapping->host; + struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); + int error, error2; - /* .. finally sync the buffers to disk */ - err = sync_blockdev(sb->s_bdev); - if (!ret) - ret = err; - return ret; + /* + * Sync inode metadata into the catalog and extent trees. + */ + sync_inode_metadata(inode, 1); + + /* + * And explicitly write out the btrees. + */ + error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping); + error2 = filemap_write_and_wait(sbi->ext_tree->inode->i_mapping); + if (!error) + error = error2; + error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping); + if (!error) + error = error2; + return error; } static const struct inode_operations hfsplus_file_inode_operations = { |