Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 2/4] f2fs: support FIEMAP_FLAG_CACHE | Date | Mon, 8 Jan 2018 18:48:32 +0800 |
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This patch factors out f2fs_precache_extents from f2fs_ioc_precache_extents, with the new function we can support FIEMAP_FLAG_CACHE in ->fiemap.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/data.c | 12 +++++++++--- fs/f2fs/f2fs.h | 1 + fs/f2fs/file.c | 10 +++++++--- 3 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index f38e660bc889..33ae1bd14a8e 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1228,11 +1228,17 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u32 flags = 0; int ret = 0; + inode_lock(inode); + + if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { + ret = f2fs_precache_extents(inode); + if (ret) + goto out; + } + ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR); if (ret) - return ret; - - inode_lock(inode); + goto out; if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { ret = f2fs_xattr_fiemap(inode, fieinfo); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 14177cebc3e7..3c3a055c3d4a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2543,6 +2543,7 @@ int f2fs_getattr(const struct path *path, struct kstat *stat, int f2fs_setattr(struct dentry *dentry, struct iattr *attr); int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); void truncate_data_blocks_range(struct dnode_of_data *dn, int count); +int f2fs_precache_extents(struct inode *inode); long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); int f2fs_pin_file_control(struct inode *inode, bool inc); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 14e75871acf3..6e30016f26ad 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2734,9 +2734,8 @@ static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg) return ret; } -static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg) +int f2fs_precache_extents(struct inode *inode) { - struct inode *inode = file_inode(filp); struct f2fs_inode_info *fi = F2FS_I(inode); struct f2fs_map_blocks map; pgoff_t next_pgofs; @@ -2763,7 +2762,12 @@ static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg) map.m_lblk = next_pgofs; } - return 0; + return err; +} + +static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg) +{ + return f2fs_precache_extents(file_inode(filp)); } long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -- 2.15.0.55.gc2ece9dc4de6
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