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cifs: defer close file handles having RH lease

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[ Upstream commit dc528770ed ]

Previously we only deferred closing file handles with RHW
lease. To enhance performance benefits from deferred closes,
we now include handles with RH leases as well.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bharath SM 2024-03-12 21:21:41 -05:00 committed by Greg Kroah-Hartman
parent 8df4bcdb0a
commit 91cdeb0d4b
1 changed files with 15 additions and 4 deletions
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19
fs/smb/client/file.c
View File

@ -1152,6 +1152,19 @@ void smb2_deferred_work_close(struct work_struct *work)
_cifsFileInfo_put(cfile, true, false);
}
static bool
smb2_can_defer_close(struct inode *inode, struct cifs_deferred_close *dclose)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct cifsInodeInfo *cinode = CIFS_I(inode);
return (cifs_sb->ctx->closetimeo && cinode->lease_granted && dclose &&
(cinode->oplock == CIFS_CACHE_RHW_FLG ||
cinode->oplock == CIFS_CACHE_RH_FLG) &&
!test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags));
}
int cifs_close(struct inode *inode, struct file *file)
{
struct cifsFileInfo *cfile;
@ -1165,10 +1178,8 @@ int cifs_close(struct inode *inode, struct file *file)
cfile = file->private_data;
file->private_data = NULL;
dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL);
if ((cifs_sb->ctx->closetimeo && cinode->oplock == CIFS_CACHE_RHW_FLG)
&& cinode->lease_granted &&
!test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) &&
dclose && !(cfile->status_file_deleted)) {
if ((cfile->status_file_deleted == false) &&
(smb2_can_defer_close(inode, dclose))) {
if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) {
inode_set_mtime_to_ts(inode,
inode_set_ctime_current(inode));