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| author | Shyam Prasad N <sprasad@microsoft.com> | 2023-03-16 10:45:12 +0000 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-03-17 13:22:22 -0500 |
| commit | 2f0e4f0342201fe2228fcc2301cc2b42ae04b8e3 (patch) | |
| tree | ff9f3007acd94a8ea7da0e2636ed44f0e3c6c98e /fs | |
| parent | 38e04b3e4240a6d8fb43129ebad41608db64bc6f (diff) | |
| download | linux-stable-2f0e4f0342201fe2228fcc2301cc2b42ae04b8e3.tar.gz linux-stable-2f0e4f0342201fe2228fcc2301cc2b42ae04b8e3.tar.bz2 linux-stable-2f0e4f0342201fe2228fcc2301cc2b42ae04b8e3.zip | |
cifs: check only tcon status on tcon related functions
We had a couple of checks for session in cifs_tree_connect
and cifs_mark_open_files_invalid, which were unnecessary.
And that was done with ses_lock. Changed that to tc_lock too.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/connect.c | 10 | ||||
| -rw-r--r-- | fs/cifs/dfs.c | 10 | ||||
| -rw-r--r-- | fs/cifs/dfs_cache.c | 2 | ||||
| -rw-r--r-- | fs/cifs/file.c | 8 |
4 files changed, 19 insertions, 11 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 0eceddde7140..49b37594e991 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4036,9 +4036,13 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru /* only send once per connect */ spin_lock(&tcon->tc_lock); - if (tcon->ses->ses_status != SES_GOOD || - (tcon->status != TID_NEW && - tcon->status != TID_NEED_TCON)) { + if (tcon->status != TID_NEW && + tcon->status != TID_NEED_TCON) { + spin_unlock(&tcon->tc_lock); + return -EHOSTDOWN; + } + + if (tcon->status == TID_GOOD) { spin_unlock(&tcon->tc_lock); return 0; } diff --git a/fs/cifs/dfs.c b/fs/cifs/dfs.c index c8bda52fa096..3a11716b6e13 100644 --- a/fs/cifs/dfs.c +++ b/fs/cifs/dfs.c @@ -502,9 +502,13 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru /* only send once per connect */ spin_lock(&tcon->tc_lock); - if (tcon->ses->ses_status != SES_GOOD || - (tcon->status != TID_NEW && - tcon->status != TID_NEED_TCON)) { + if (tcon->status != TID_NEW && + tcon->status != TID_NEED_TCON) { + spin_unlock(&tcon->tc_lock); + return -EHOSTDOWN; + } + + if (tcon->status == TID_GOOD) { spin_unlock(&tcon->tc_lock); return 0; } diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 1c59811bfa73..30cbdf8514a5 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -1191,7 +1191,7 @@ static int __refresh_tcon(const char *path, struct cifs_tcon *tcon, bool force_r } spin_lock(&ipc->tc_lock); - if (ses->ses_status != SES_GOOD || ipc->status != TID_GOOD) { + if (ipc->status != TID_GOOD) { spin_unlock(&ipc->tc_lock); cifs_dbg(FYI, "%s: skip cache refresh due to disconnected ipc\n", __func__); goto out; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 4d4a2d82636d..6831a9949c43 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -174,13 +174,13 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon) struct list_head *tmp1; /* only send once per connect */ - spin_lock(&tcon->ses->ses_lock); - if ((tcon->ses->ses_status != SES_GOOD) || (tcon->status != TID_NEED_RECON)) { - spin_unlock(&tcon->ses->ses_lock); + spin_lock(&tcon->tc_lock); + if (tcon->status != TID_NEED_RECON) { + spin_unlock(&tcon->tc_lock); return; } tcon->status = TID_IN_FILES_INVALIDATE; - spin_unlock(&tcon->ses->ses_lock); + spin_unlock(&tcon->tc_lock); /* list all files open on tree connection and mark them invalid */ spin_lock(&tcon->open_file_lock); |