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authorAl Viro <viro@zeniv.linux.org.uk>2014-03-14 10:06:32 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-04-01 23:19:12 -0400
commit4597e695b8baa3e2620da89c7593be70cf20566b (patch)
treef8e8cf56e4b154e8bef5e6ae2aa802526ccd1668 /include/linux/fs.h
parentdd20908a8a06b22c171f6c3fcdbdbd65bed07505 (diff)
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get rid of DEBUG_WRITECOUNT
it only makes control flow in __fput() and friends more convoluted. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h49
1 files changed, 0 insertions, 49 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 23b2a35d712e..e80659ed78fc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -769,9 +769,6 @@ static inline int ra_has_index(struct file_ra_state *ra, pgoff_t index)
index < ra->start + ra->size);
}
-#define FILE_MNT_WRITE_TAKEN 1
-#define FILE_MNT_WRITE_RELEASED 2
-
struct file {
union {
struct llist_node fu_llist;
@@ -809,9 +806,6 @@ struct file {
struct list_head f_tfile_llink;
#endif /* #ifdef CONFIG_EPOLL */
struct address_space *f_mapping;
-#ifdef CONFIG_DEBUG_WRITECOUNT
- unsigned long f_mnt_write_state;
-#endif
} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
struct file_handle {
@@ -829,49 +823,6 @@ static inline struct file *get_file(struct file *f)
#define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1)
#define file_count(x) atomic_long_read(&(x)->f_count)
-#ifdef CONFIG_DEBUG_WRITECOUNT
-static inline void file_take_write(struct file *f)
-{
- WARN_ON(f->f_mnt_write_state != 0);
- f->f_mnt_write_state = FILE_MNT_WRITE_TAKEN;
-}
-static inline void file_release_write(struct file *f)
-{
- f->f_mnt_write_state |= FILE_MNT_WRITE_RELEASED;
-}
-static inline void file_reset_write(struct file *f)
-{
- f->f_mnt_write_state = 0;
-}
-static inline void file_check_state(struct file *f)
-{
- /*
- * At this point, either both or neither of these bits
- * should be set.
- */
- WARN_ON(f->f_mnt_write_state == FILE_MNT_WRITE_TAKEN);
- WARN_ON(f->f_mnt_write_state == FILE_MNT_WRITE_RELEASED);
-}
-static inline int file_check_writeable(struct file *f)
-{
- if (f->f_mnt_write_state == FILE_MNT_WRITE_TAKEN)
- return 0;
- printk(KERN_WARNING "writeable file with no "
- "mnt_want_write()\n");
- WARN_ON(1);
- return -EINVAL;
-}
-#else /* !CONFIG_DEBUG_WRITECOUNT */
-static inline void file_take_write(struct file *filp) {}
-static inline void file_release_write(struct file *filp) {}
-static inline void file_reset_write(struct file *filp) {}
-static inline void file_check_state(struct file *filp) {}
-static inline int file_check_writeable(struct file *filp)
-{
- return 0;
-}
-#endif /* CONFIG_DEBUG_WRITECOUNT */
-
#define MAX_NON_LFS ((1UL<<31) - 1)
/* Page cache limit. The filesystems should put that into their s_maxbytes