diff options
| -rw-r--r-- | fs/fuse/dir.c | 75 |
1 files changed, 23 insertions, 52 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 51f5da6..0d1438a 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -13,7 +13,6 @@ #include <linux/gfp.h> #include <linux/sched.h> #include <linux/namei.h> -#include <linux/mount.h> static inline unsigned long time_to_jiffies(unsigned long sec, unsigned long nsec) @@ -22,6 +21,13 @@ static inline unsigned long time_to_jiffies(unsigned long sec, return jiffies + timespec_to_jiffies(&ts); } +static void fuse_change_timeout(struct dentry *entry, struct fuse_entry_out *o) +{ + struct fuse_inode *fi = get_fuse_inode(entry->d_inode); + entry->d_time = time_to_jiffies(o->entry_valid, o->entry_valid_nsec); + fi->i_time = time_to_jiffies(o->attr_valid, o->attr_valid_nsec); +} + static void fuse_lookup_init(struct fuse_req *req, struct inode *dir, struct dentry *entry, struct fuse_entry_out *outarg) @@ -66,10 +72,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd) return 0; fuse_change_attributes(inode, &outarg.attr); - entry->d_time = time_to_jiffies(outarg.entry_valid, - outarg.entry_valid_nsec); - fi->i_time = time_to_jiffies(outarg.attr_valid, - outarg.attr_valid_nsec); + fuse_change_timeout(entry, &outarg); } return 1; } @@ -96,8 +99,8 @@ static struct dentry_operations fuse_dentry_operations = { .d_revalidate = fuse_dentry_revalidate, }; -static int fuse_lookup_iget(struct inode *dir, struct dentry *entry, - struct inode **inodep) +static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, + struct nameidata *nd) { int err; struct fuse_entry_out outarg; @@ -106,11 +109,11 @@ static int fuse_lookup_iget(struct inode *dir, struct dentry *entry, struct fuse_req *req; if (entry->d_name.len > FUSE_NAME_MAX) - return -ENAMETOOLONG; + return ERR_PTR(-ENAMETOOLONG); req = fuse_get_request(fc); if (!req) - return -EINTR; + return ERR_PTR(-EINTR); fuse_lookup_init(req, dir, entry, &outarg); request_send(fc, req); @@ -122,24 +125,22 @@ static int fuse_lookup_iget(struct inode *dir, struct dentry *entry, &outarg.attr); if (!inode) { fuse_send_forget(fc, req, outarg.nodeid, 1); - return -ENOMEM; + return ERR_PTR(-ENOMEM); } } fuse_put_request(fc, req); if (err && err != -ENOENT) - return err; + return ERR_PTR(err); - if (inode) { - struct fuse_inode *fi = get_fuse_inode(inode); - entry->d_time = time_to_jiffies(outarg.entry_valid, - outarg.entry_valid_nsec); - fi->i_time = time_to_jiffies(outarg.attr_valid, - outarg.attr_valid_nsec); + if (inode && dir_alias(inode)) { + iput(inode); + return ERR_PTR(-EIO); } - + d_add(entry, inode); entry->d_op = &fuse_dentry_operations; - *inodep = inode; - return 0; + if (inode) + fuse_change_timeout(entry, &outarg); + return NULL; } void fuse_invalidate_attr(struct inode *inode) @@ -163,7 +164,6 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, struct fuse_open_in inarg; struct fuse_open_out outopen; struct fuse_entry_out outentry; - struct fuse_inode *fi; struct fuse_file *ff; struct file *file; int flags = nd->intent.open.flags - 1; @@ -224,13 +224,8 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, goto out_put_request; } fuse_put_request(fc, req); - entry->d_time = time_to_jiffies(outentry.entry_valid, - outentry.entry_valid_nsec); - fi = get_fuse_inode(inode); - fi->i_time = time_to_jiffies(outentry.attr_valid, - outentry.attr_valid_nsec); - d_instantiate(entry, inode); + fuse_change_timeout(entry, &outentry); file = lookup_instantiate_filp(nd, entry, generic_file_open); if (IS_ERR(file)) { ff->fh = outopen.fh; @@ -254,7 +249,6 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req, { struct fuse_entry_out outarg; struct inode *inode; - struct fuse_inode *fi; int err; req->in.h.nodeid = get_node_id(dir); @@ -286,14 +280,8 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req, return -EIO; } - entry->d_time = time_to_jiffies(outarg.entry_valid, - outarg.entry_valid_nsec); - - fi = get_fuse_inode(inode); - fi->i_time = time_to_jiffies(outarg.attr_valid, - outarg.attr_valid_nsec); - d_instantiate(entry, inode); + fuse_change_timeout(entry, &outarg); fuse_invalidate_attr(dir); return 0; } @@ -883,23 +871,6 @@ static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry, return err; } -static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, - struct nameidata *nd) -{ - struct inode *inode; - int err; - - err = fuse_lookup_iget(dir, entry, &inode); - if (err) - return ERR_PTR(err); - if (inode && dir_alias(inode)) { - iput(inode); - return ERR_PTR(-EIO); - } - d_add(entry, inode); - return NULL; -} - static int fuse_setxattr(struct dentry *entry, const char *name, const void *value, size_t size, int flags) { |
