diff options
Diffstat (limited to 'fs/file_table.c')
| -rw-r--r-- | fs/file_table.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/file_table.c b/fs/file_table.c index b44e4c559786..abdd15ad13c9 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -311,8 +311,7 @@ void fput(struct file *file) return; /* * After this task has run exit_task_work(), - * task_work_add() will fail. free_ipc_ns()-> - * shm_destroy() can do this. Fall through to delayed + * task_work_add() will fail. Fall through to delayed * fput to avoid leaking *file. */ } @@ -385,6 +384,10 @@ static inline void __file_sb_list_add(struct file *file, struct super_block *sb) */ void file_sb_list_add(struct file *file, struct super_block *sb) { + if (likely(!(file->f_mode & FMODE_WRITE))) + return; + if (!S_ISREG(file_inode(file)->i_mode)) + return; lg_local_lock(&files_lglock); __file_sb_list_add(file, sb); lg_local_unlock(&files_lglock); @@ -450,8 +453,6 @@ void mark_files_ro(struct super_block *sb) lg_global_lock(&files_lglock); do_file_list_for_each_entry(sb, f) { - if (!S_ISREG(file_inode(f)->i_mode)) - continue; if (!file_count(f)) continue; if (!(f->f_mode & FMODE_WRITE)) |