diff options
| author | Richard Yao <[email protected]> | 2015-02-17 10:12:56 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2015-04-24 13:02:37 -0700 |
| commit | d3c677bcd330423c72cd4d4100727e5c1e8c1f38 (patch) | |
| tree | 5c4652b9e6c2ca91c92640361d3867bb5b0d74ba /module/spl | |
| parent | 313b1ea622275e24c3046c3b04a98a933b18f8de (diff) | |
Implement areleasef()
Signed-off-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #449
Diffstat (limited to 'module/spl')
| -rw-r--r-- | module/spl/spl-vnode.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/module/spl/spl-vnode.c b/module/spl/spl-vnode.c index 4c62097dc..ab9830d18 100644 --- a/module/spl/spl-vnode.c +++ b/module/spl/spl-vnode.c @@ -623,14 +623,14 @@ EXPORT_SYMBOL(vn_space); /* Function must be called while holding the vn_file_lock */ static file_t * -file_find(int fd) +file_find(int fd, struct task_struct *task) { file_t *fp; ASSERT(spin_is_locked(&vn_file_lock)); list_for_each_entry(fp, &vn_file_list, f_list) { - if (fd == fp->f_fd && fp->f_task == current) { + if (fd == fp->f_fd && fp->f_task == task) { ASSERT(atomic_read(&fp->f_ref) != 0); return fp; } @@ -654,7 +654,7 @@ vn_getf(int fd) /* Already open just take an extra reference */ spin_lock(&vn_file_lock); - fp = file_find(fd); + fp = file_find(fd, current); if (fp) { atomic_inc(&fp->f_ref); spin_unlock(&vn_file_lock); @@ -734,13 +734,21 @@ static void releasef_locked(file_t *fp) void vn_releasef(int fd) { + areleasef(fd, P_FINFO(current)); +} +EXPORT_SYMBOL(releasef); + +void +vn_areleasef(int fd, uf_info_t *fip) +{ file_t *fp; + struct task_struct *task = (struct task_struct *)fip; if (fd < 0) return; spin_lock(&vn_file_lock); - fp = file_find(fd); + fp = file_find(fd, task); if (fp) { atomic_dec(&fp->f_ref); if (atomic_read(&fp->f_ref) > 0) { @@ -755,7 +763,8 @@ vn_releasef(int fd) return; } /* releasef() */ -EXPORT_SYMBOL(releasef); +EXPORT_SYMBOL(areleasef); + static void #ifdef HAVE_SET_FS_PWD_WITH_CONST |