diff options
| -rw-r--r-- | fs/f2fs/file.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index df4e8c728..708d39c02 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1391,6 +1391,8 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) if (ret) return ret; + inode_lock(inode); + if (f2fs_is_atomic_file(inode)) goto out; @@ -1411,6 +1413,7 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) if (ret) clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); out: + inode_unlock(inode); mnt_drop_write_file(filp); return ret; } @@ -1427,6 +1430,8 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) if (ret) return ret; + inode_lock(inode); + if (f2fs_is_volatile_file(inode)) goto err_out; @@ -1441,6 +1446,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); err_out: + inode_unlock(inode); mnt_drop_write_file(filp); return ret; } @@ -1457,6 +1463,8 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) if (ret) return ret; + inode_lock(inode); + if (f2fs_is_volatile_file(inode)) goto out; @@ -1467,6 +1475,7 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) set_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); out: + inode_unlock(inode); mnt_drop_write_file(filp); return ret; } @@ -1483,6 +1492,8 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) if (ret) return ret; + inode_lock(inode); + if (!f2fs_is_volatile_file(inode)) goto out; @@ -1493,6 +1504,7 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) ret = punch_hole(inode, 0, F2FS_BLKSIZE); out: + inode_unlock(inode); mnt_drop_write_file(filp); return ret; } @@ -1509,6 +1521,8 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) if (ret) return ret; + inode_lock(inode); + if (f2fs_is_atomic_file(inode)) drop_inmem_pages(inode); if (f2fs_is_volatile_file(inode)) { @@ -1516,6 +1530,8 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); } + inode_unlock(inode); + mnt_drop_write_file(filp); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); return ret; |