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ext4: remove useless ext4_pin_inode()

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This function is never used from the beginning (and is commented out);
let's remove it.

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jason Yan 2019-03-14 23:51:13 -04:00 committed by Theodore Ts'o
parent 1dc1097ff6
commit 7cf7714077
1 changed files with 0 additions and 30 deletions
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30
fs/ext4/inode.c
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@ -6082,36 +6082,6 @@ out:
return; return;
} }
#if 0
/*
* Bind an inode's backing buffer_head into this transaction, to prevent
* it from being flushed to disk early. Unlike
* ext4_reserve_inode_write, this leaves behind no bh reference and
* returns no iloc structure, so the caller needs to repeat the iloc
* lookup to mark the inode dirty later.
*/
static int ext4_pin_inode(handle_t *handle, struct inode *inode)
{
struct ext4_iloc iloc;
int err = 0;
if (handle) {
err = ext4_get_inode_loc(inode, &iloc);
if (!err) {
BUFFER_TRACE(iloc.bh, "get_write_access");
err = jbd2_journal_get_write_access(handle, iloc.bh);
if (!err)
err = ext4_handle_dirty_metadata(handle,
NULL,
iloc.bh);
brelse(iloc.bh);
}
}
ext4_std_error(inode->i_sb, err);
return err;
}
#endif
int ext4_change_inode_journal_flag(struct inode *inode, int val) int ext4_change_inode_journal_flag(struct inode *inode, int val)
{ {
journal_t *journal; journal_t *journal;