This argument helps in avoiding double locking
Signed-off-by: Konstantin Komarov <[email protected]>
---
fs/ntfs3/frecord.c | 12 ++++++------
fs/ntfs3/fsntfs.c | 9 ++++++---
fs/ntfs3/inode.c | 2 +-
fs/ntfs3/ntfs_fs.h | 2 +-
4 files changed, 14 insertions(+), 11 deletions(-)
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 64041152fd98..756d9a18fa00 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -1048,7 +1048,7 @@ static int ni_ins_attr_ext(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le,
err = -EINVAL;
out1:
- ntfs_mark_rec_free(sbi, rno);
+ ntfs_mark_rec_free(sbi, rno, is_mft);
out:
return err;
@@ -1243,7 +1243,7 @@ static int ni_expand_mft_list(struct ntfs_inode *ni)
mft_min = mft_new;
mi_min = mi_new;
} else {
- ntfs_mark_rec_free(sbi, mft_new);
+ ntfs_mark_rec_free(sbi, mft_new, true);
mft_new = 0;
ni_remove_mi(ni, mi_new);
}
@@ -1326,7 +1326,7 @@ static int ni_expand_mft_list(struct ntfs_inode *ni)
out:
if (mft_new) {
- ntfs_mark_rec_free(sbi, mft_new);
+ ntfs_mark_rec_free(sbi, mft_new, true);
ni_remove_mi(ni, mi_new);
}
@@ -1585,7 +1585,7 @@ int ni_delete_all(struct ntfs_inode *ni)
mi->dirty = true;
mi_write(mi, 0);
- ntfs_mark_rec_free(sbi, mi->rno);
+ ntfs_mark_rec_free(sbi, mi->rno, false);
ni_remove_mi(ni, mi);
mi_put(mi);
node = next;
@@ -1596,7 +1596,7 @@ int ni_delete_all(struct ntfs_inode *ni)
ni->mi.dirty = true;
err = mi_write(&ni->mi, 0);
- ntfs_mark_rec_free(sbi, ni->mi.rno);
+ ntfs_mark_rec_free(sbi, ni->mi.rno, false);
return err;
}
@@ -3286,7 +3286,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
err = err2;
if (is_empty) {
- ntfs_mark_rec_free(sbi, mi->rno);
+ ntfs_mark_rec_free(sbi, mi->rno, false);
rb_erase(node, &ni->mi_tree);
mi_put(mi);
}
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 3de5700a9b83..c53dd4c9e47b 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -703,12 +703,14 @@ int ntfs_look_free_mft(struct ntfs_sb_info *sbi, CLST *rno, bool mft,
/*
* ntfs_mark_rec_free - Mark record as free.
+ * is_mft - true if we are changing MFT
*/
-void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno)
+void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno, bool is_mft)
{
struct wnd_bitmap *wnd = &sbi->mft.bitmap;
- down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_MFT);
+ if (!is_mft)
+ down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_MFT);
if (rno >= wnd->nbits)
goto out;
@@ -727,7 +729,8 @@ void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno)
sbi->mft.next_free = rno;
out:
- up_write(&wnd->rw_lock);
+ if (!is_mft)
+ up_write(&wnd->rw_lock);
}
/*
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 6c78930be035..a49da4ec6dc3 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1636,7 +1636,7 @@ struct inode *ntfs_create_inode(struct user_namespace *mnt_userns,
ni->mi.dirty = false;
discard_new_inode(inode);
out3:
- ntfs_mark_rec_free(sbi, ino);
+ ntfs_mark_rec_free(sbi, ino, false);
out2:
__putname(new_de);
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index ebe4a8ecc20d..5472cde2aa5f 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -590,7 +590,7 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
enum ALLOCATE_OPT opt);
int ntfs_look_free_mft(struct ntfs_sb_info *sbi, CLST *rno, bool mft,
struct ntfs_inode *ni, struct mft_inode **mi);
-void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno);
+void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno, bool is_mft);
int ntfs_clear_mft_tail(struct ntfs_sb_info *sbi, size_t from, size_t to);
int ntfs_refresh_zone(struct ntfs_sb_info *sbi);
int ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait);
--
2.37.0