In later patches, we'll need to have a bitlock, so go ahead and convert
these bools to use atomic bitops instead.
Also, clean up the initialization of the flags field. There's no need
to unset each bit individually just after it was zeroed on allocation.
Signed-off-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Steve French <smfrench@gmail.com>
* server, can not assume caching of file data or metadata.
*/
cifs_set_oplock_level(cifs_inode, 0);
* server, can not assume caching of file data or metadata.
*/
cifs_set_oplock_level(cifs_inode, 0);
- cifs_inode->delete_pending = false;
- cifs_inode->invalid_mapping = false;
- clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cifs_inode->flags);
- clear_bit(CIFS_INODE_PENDING_WRITERS, &cifs_inode->flags);
- clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2, &cifs_inode->flags);
spin_lock_init(&cifs_inode->writers_lock);
cifs_inode->writers = 0;
cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */
spin_lock_init(&cifs_inode->writers_lock);
cifs_inode->writers = 0;
cifs_inode->vfs_inode.i_blkbits = 14; /* 2**14 = CIFS_MAX_MSGSIZE */
__u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
unsigned int oplock; /* oplock/lease level we have */
unsigned int epoch; /* used to track lease state changes */
__u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
unsigned int oplock; /* oplock/lease level we have */
unsigned int epoch; /* used to track lease state changes */
- bool delete_pending; /* DELETE_ON_CLOSE is set */
- bool invalid_mapping; /* pagecache is invalid */
- unsigned long flags;
#define CIFS_INODE_PENDING_OPLOCK_BREAK (0) /* oplock break in progress */
#define CIFS_INODE_PENDING_WRITERS (1) /* Writes in progress */
#define CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2 (2) /* Downgrade oplock to L2 */
#define CIFS_INODE_PENDING_OPLOCK_BREAK (0) /* oplock break in progress */
#define CIFS_INODE_PENDING_WRITERS (1) /* Writes in progress */
#define CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2 (2) /* Downgrade oplock to L2 */
+#define CIFS_INO_DELETE_PENDING (3) /* delete pending on server */
+#define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */
+ unsigned long flags;
spinlock_t writers_lock;
unsigned int writers; /* Number of writers on this inode */
unsigned long time; /* jiffies of last update of inode */
spinlock_t writers_lock;
unsigned int writers; /* Number of writers on this inode */
unsigned long time; /* jiffies of last update of inode */
* again and get at least level II oplock.
*/
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
* again and get at least level II oplock.
*/
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
- CIFS_I(inode)->invalid_mapping = true;
+ set_bit(CIFS_INO_INVALID_MAPPING, &cifsi->flags);
cifs_set_oplock_level(cifsi, 0);
}
spin_unlock(&cifs_file_list_lock);
cifs_set_oplock_level(cifsi, 0);
}
spin_unlock(&cifs_file_list_lock);
written = cifs_iovec_write(iocb->ki_filp, iov, nr_segs, &pos);
if (written > 0) {
written = cifs_iovec_write(iocb->ki_filp, iov, nr_segs, &pos);
if (written > 0) {
- CIFS_I(inode)->invalid_mapping = true;
+ set_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags);
cifs_dbg(FYI, "%s: invalidating inode %llu mapping\n",
__func__, cifs_i->uniqueid);
cifs_dbg(FYI, "%s: invalidating inode %llu mapping\n",
__func__, cifs_i->uniqueid);
- cifs_i->invalid_mapping = true;
+ set_bit(CIFS_INO_INVALID_MAPPING, &cifs_i->flags);
else
cifs_i->time = jiffies;
else
cifs_i->time = jiffies;
- cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING;
+ if (fattr->cf_flags & CIFS_FATTR_DELETE_PENDING)
+ set_bit(CIFS_INO_DELETE_PENDING, &cifs_i->flags);
+ else
+ clear_bit(CIFS_INO_DELETE_PENDING, &cifs_i->flags);
cifs_i->server_eof = fattr->cf_eof;
/*
cifs_i->server_eof = fattr->cf_eof;
/*
}
/* try to set DELETE_ON_CLOSE */
}
/* try to set DELETE_ON_CLOSE */
- if (!cifsInode->delete_pending) {
+ if (!test_bit(CIFS_INO_DELETE_PENDING, &cifsInode->flags)) {
rc = CIFSSMBSetFileDisposition(xid, tcon, true, fid.netfid,
current->tgid);
/*
rc = CIFSSMBSetFileDisposition(xid, tcon, true, fid.netfid,
current->tgid);
/*
rc = -EBUSY;
goto undo_rename;
}
rc = -EBUSY;
goto undo_rename;
}
- cifsInode->delete_pending = true;
+ set_bit(CIFS_INO_DELETE_PENDING, &cifsInode->flags);
int rc = 0;
struct cifsInodeInfo *cifs_i = CIFS_I(inode);
int rc = 0;
struct cifsInodeInfo *cifs_i = CIFS_I(inode);
- cifs_i->invalid_mapping = false;
+ clear_bit(CIFS_INO_INVALID_MAPPING, &cifs_i->flags);
if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
rc = invalidate_inode_pages2(inode->i_mapping);
if (rc) {
cifs_dbg(VFS, "%s: could not invalidate inode %p\n",
__func__, inode);
if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
rc = invalidate_inode_pages2(inode->i_mapping);
if (rc) {
cifs_dbg(VFS, "%s: could not invalidate inode %p\n",
__func__, inode);
- cifs_i->invalid_mapping = true;
+ set_bit(CIFS_INO_INVALID_MAPPING, &cifs_i->flags);
- if (CIFS_I(inode)->invalid_mapping)
+ if (test_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags))
rc = cifs_invalidate_mapping(inode);
return rc;
}
rc = cifs_invalidate_mapping(inode);
return rc;
}
- if (CIFS_I(inode)->invalid_mapping)
+ if (test_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags))
rc = cifs_invalidate_mapping(inode);
return rc;
}
rc = cifs_invalidate_mapping(inode);
return rc;
}