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Diffstat (limited to 'fs/cifs/misc.c')
-rw-r--r--fs/cifs/misc.c64
1 files changed, 30 insertions, 34 deletions
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 0e84e6fcf8ab..87f60f736731 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -23,6 +23,7 @@
#include "dns_resolve.h"
#endif
#include "fs_context.h"
+#include "cached_dir.h"
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
@@ -69,6 +70,7 @@ sesInfoAlloc(void)
ret_buf = kzalloc(sizeof(struct cifs_ses), GFP_KERNEL);
if (ret_buf) {
atomic_inc(&sesInfoAllocCount);
+ spin_lock_init(&ret_buf->ses_lock);
ret_buf->ses_status = SES_NEW;
++ret_buf->ses_count;
INIT_LIST_HEAD(&ret_buf->smb_ses_list);
@@ -115,21 +117,19 @@ tconInfoAlloc(void)
ret_buf = kzalloc(sizeof(*ret_buf), GFP_KERNEL);
if (!ret_buf)
return NULL;
- ret_buf->crfid.fid = kzalloc(sizeof(*ret_buf->crfid.fid), GFP_KERNEL);
- if (!ret_buf->crfid.fid) {
+ ret_buf->cfid = init_cached_dir();
+ if (!ret_buf->cfid) {
kfree(ret_buf);
return NULL;
}
- INIT_LIST_HEAD(&ret_buf->crfid.dirents.entries);
- mutex_init(&ret_buf->crfid.dirents.de_mutex);
atomic_inc(&tconInfoAllocCount);
ret_buf->status = TID_NEW;
++ret_buf->tc_count;
+ spin_lock_init(&ret_buf->tc_lock);
INIT_LIST_HEAD(&ret_buf->openFileList);
INIT_LIST_HEAD(&ret_buf->tcon_list);
spin_lock_init(&ret_buf->open_file_lock);
- mutex_init(&ret_buf->crfid.fid_mutex);
spin_lock_init(&ret_buf->stat_lock);
atomic_set(&ret_buf->num_local_opens, 0);
atomic_set(&ret_buf->num_remote_opens, 0);
@@ -138,17 +138,17 @@ tconInfoAlloc(void)
}
void
-tconInfoFree(struct cifs_tcon *buf_to_free)
+tconInfoFree(struct cifs_tcon *tcon)
{
- if (buf_to_free == NULL) {
+ if (tcon == NULL) {
cifs_dbg(FYI, "Null buffer passed to tconInfoFree\n");
return;
}
+ free_cached_dir(tcon);
atomic_dec(&tconInfoAllocCount);
- kfree(buf_to_free->nativeFileSystem);
- kfree_sensitive(buf_to_free->password);
- kfree(buf_to_free->crfid.fid);
- kfree(buf_to_free);
+ kfree(tcon->nativeFileSystem);
+ kfree_sensitive(tcon->password);
+ kfree(tcon);
}
struct smb_hdr *
@@ -172,9 +172,9 @@ cifs_buf_get(void)
/* clear the first few header bytes */
/* for most paths, more is cleared in header_assemble */
memset(ret_buf, 0, buf_size + 3);
- atomic_inc(&bufAllocCount);
+ atomic_inc(&buf_alloc_count);
#ifdef CONFIG_CIFS_STATS2
- atomic_inc(&totBufAllocCount);
+ atomic_inc(&total_buf_alloc_count);
#endif /* CONFIG_CIFS_STATS2 */
return ret_buf;
@@ -189,7 +189,7 @@ cifs_buf_release(void *buf_to_free)
}
mempool_free(buf_to_free, cifs_req_poolp);
- atomic_dec(&bufAllocCount);
+ atomic_dec(&buf_alloc_count);
return;
}
@@ -205,9 +205,9 @@ cifs_small_buf_get(void)
ret_buf = mempool_alloc(cifs_sm_req_poolp, GFP_NOFS);
/* No need to clear memory here, cleared in header assemble */
/* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
- atomic_inc(&smBufAllocCount);
+ atomic_inc(&small_buf_alloc_count);
#ifdef CONFIG_CIFS_STATS2
- atomic_inc(&totSmBufAllocCount);
+ atomic_inc(&total_small_buf_alloc_count);
#endif /* CONFIG_CIFS_STATS2 */
return ret_buf;
@@ -223,7 +223,7 @@ cifs_small_buf_release(void *buf_to_free)
}
mempool_free(buf_to_free, cifs_sm_req_poolp);
- atomic_dec(&smBufAllocCount);
+ atomic_dec(&small_buf_alloc_count);
return;
}
@@ -354,7 +354,7 @@ checkSMB(char *buf, unsigned int total_read, struct TCP_Server_Info *server)
/* otherwise, there is enough to get to the BCC */
if (check_smb_hdr(smb))
return -EIO;
- clc_len = smbCalcSize(smb, server);
+ clc_len = smbCalcSize(smb);
if (4 + rfclen != total_read) {
cifs_dbg(VFS, "Length read does not match RFC1001 length %d\n",
@@ -400,7 +400,6 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
{
struct smb_hdr *buf = (struct smb_hdr *)buffer;
struct smb_com_lock_req *pSMB = (struct smb_com_lock_req *)buf;
- struct list_head *tmp, *tmp1, *tmp2;
struct cifs_ses *ses;
struct cifs_tcon *tcon;
struct cifsInodeInfo *pCifsInode;
@@ -467,18 +466,14 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
/* look up tcon based on tid & uid */
spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp, &srv->smb_ses_list) {
- ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
- list_for_each(tmp1, &ses->tcon_list) {
- tcon = list_entry(tmp1, struct cifs_tcon, tcon_list);
+ list_for_each_entry(ses, &srv->smb_ses_list, smb_ses_list) {
+ list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
if (tcon->tid != buf->Tid)
continue;
cifs_stats_inc(&tcon->stats.cifs_stats.num_oplock_brks);
spin_lock(&tcon->open_file_lock);
- list_for_each(tmp2, &tcon->openFileList) {
- netfile = list_entry(tmp2, struct cifsFileInfo,
- tlist);
+ list_for_each_entry(netfile, &tcon->openFileList, tlist) {
if (pSMB->Fid != netfile->fid.netfid)
continue;
@@ -742,6 +737,8 @@ cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode)
list_for_each_entry(cfile, &cifs_inode->openFileList, flist) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
@@ -763,16 +760,16 @@ void
cifs_close_all_deferred_files(struct cifs_tcon *tcon)
{
struct cifsFileInfo *cfile;
- struct list_head *tmp;
struct file_list *tmp_list, *tmp_next_list;
struct list_head file_head;
INIT_LIST_HEAD(&file_head);
spin_lock(&tcon->open_file_lock);
- list_for_each(tmp, &tcon->openFileList) {
- cfile = list_entry(tmp, struct cifsFileInfo, tlist);
+ list_for_each_entry(cfile, &tcon->openFileList, tlist) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
@@ -793,7 +790,6 @@ void
cifs_close_deferred_file_under_dentry(struct cifs_tcon *tcon, const char *path)
{
struct cifsFileInfo *cfile;
- struct list_head *tmp;
struct file_list *tmp_list, *tmp_next_list;
struct list_head file_head;
void *page;
@@ -802,12 +798,13 @@ cifs_close_deferred_file_under_dentry(struct cifs_tcon *tcon, const char *path)
INIT_LIST_HEAD(&file_head);
page = alloc_dentry_path();
spin_lock(&tcon->open_file_lock);
- list_for_each(tmp, &tcon->openFileList) {
- cfile = list_entry(tmp, struct cifsFileInfo, tlist);
+ list_for_each_entry(cfile, &tcon->openFileList, tlist) {
full_path = build_path_from_dentry(cfile->dentry, page);
if (strstr(full_path, path)) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
@@ -1029,7 +1026,7 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw)
saved_len = count;
while (count && npages < max_pages) {
- rc = iov_iter_get_pages(iter, pages, count, max_pages, &start);
+ rc = iov_iter_get_pages2(iter, pages, count, max_pages, &start);
if (rc < 0) {
cifs_dbg(VFS, "Couldn't get user pages (rc=%zd)\n", rc);
break;
@@ -1041,7 +1038,6 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw)
break;
}
- iov_iter_advance(iter, rc);
count -= rc;
rc += start;
cur_npages = DIV_ROUND_UP(rc, PAGE_SIZE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-05 02:54:12 +0000