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Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/file.c63
-rw-r--r--fs/f2fs/gc.c70
-rw-r--r--fs/f2fs/super.c48
3 files changed, 81 insertions, 100 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f8d46df8fa9e..3e58a6f697dd 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1653,19 +1653,12 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
- u32 oldflags;
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
return -EPERM;
- oldflags = fi->i_flags;
-
- if ((iflags ^ oldflags) & (F2FS_APPEND_FL | F2FS_IMMUTABLE_FL))
- if (!capable(CAP_LINUX_IMMUTABLE))
- return -EPERM;
-
- fi->i_flags = iflags | (oldflags & ~mask);
+ fi->i_flags = iflags | (fi->i_flags & ~mask);
if (fi->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
@@ -1770,7 +1763,8 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- u32 fsflags;
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ u32 fsflags, old_fsflags;
u32 iflags;
int ret;
@@ -1794,8 +1788,14 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
inode_lock(inode);
+ old_fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
+ ret = vfs_ioc_setflags_prepare(inode, old_fsflags, fsflags);
+ if (ret)
+ goto out;
+
ret = f2fs_setflags_common(inode, iflags,
f2fs_fsflags_to_iflags(F2FS_SETTABLE_FS_FL));
+out:
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -2855,52 +2855,32 @@ static inline u32 f2fs_xflags_to_iflags(u32 xflags)
return iflags;
}
-static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
+static void f2fs_fill_fsxattr(struct inode *inode, struct fsxattr *fa)
{
- struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
- struct fsxattr fa;
- memset(&fa, 0, sizeof(struct fsxattr));
- fa.fsx_xflags = f2fs_iflags_to_xflags(fi->i_flags);
+ simple_fill_fsxattr(fa, f2fs_iflags_to_xflags(fi->i_flags));
if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)))
- fa.fsx_projid = (__u32)from_kprojid(&init_user_ns,
- fi->i_projid);
-
- if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa)))
- return -EFAULT;
- return 0;
+ fa->fsx_projid = from_kprojid(&init_user_ns, fi->i_projid);
}
-static int f2fs_ioctl_check_project(struct inode *inode, struct fsxattr *fa)
+static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
{
- /*
- * Project Quota ID state is only allowed to change from within the init
- * namespace. Enforce that restriction only if we are trying to change
- * the quota ID state. Everything else is allowed in user namespaces.
- */
- if (current_user_ns() == &init_user_ns)
- return 0;
+ struct inode *inode = file_inode(filp);
+ struct fsxattr fa;
- if (__kprojid_val(F2FS_I(inode)->i_projid) != fa->fsx_projid)
- return -EINVAL;
-
- if (F2FS_I(inode)->i_flags & F2FS_PROJINHERIT_FL) {
- if (!(fa->fsx_xflags & FS_XFLAG_PROJINHERIT))
- return -EINVAL;
- } else {
- if (fa->fsx_xflags & FS_XFLAG_PROJINHERIT)
- return -EINVAL;
- }
+ f2fs_fill_fsxattr(inode, &fa);
+ if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa)))
+ return -EFAULT;
return 0;
}
static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- struct fsxattr fa;
+ struct fsxattr fa, old_fa;
u32 iflags;
int err;
@@ -2923,9 +2903,12 @@ static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
return err;
inode_lock(inode);
- err = f2fs_ioctl_check_project(inode, &fa);
+
+ f2fs_fill_fsxattr(inode, &old_fa);
+ err = vfs_ioc_fssetxattr_check(inode, &old_fa, &fa);
if (err)
goto out;
+
err = f2fs_setflags_common(inode, iflags,
f2fs_xflags_to_iflags(F2FS_SUPPORTED_XFLAGS));
if (err)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6691f526fa40..8974672db78f 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -796,6 +796,29 @@ static int move_data_block(struct inode *inode, block_t bidx,
if (lfs_mode)
down_write(&fio.sbi->io_order_lock);
+ mpage = f2fs_grab_cache_page(META_MAPPING(fio.sbi),
+ fio.old_blkaddr, false);
+ if (!mpage)
+ goto up_out;
+
+ fio.encrypted_page = mpage;
+
+ /* read source block in mpage */
+ if (!PageUptodate(mpage)) {
+ err = f2fs_submit_page_bio(&fio);
+ if (err) {
+ f2fs_put_page(mpage, 1);
+ goto up_out;
+ }
+ lock_page(mpage);
+ if (unlikely(mpage->mapping != META_MAPPING(fio.sbi) ||
+ !PageUptodate(mpage))) {
+ err = -EIO;
+ f2fs_put_page(mpage, 1);
+ goto up_out;
+ }
+ }
+
f2fs_allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr,
&sum, CURSEG_COLD_DATA, NULL, false);
@@ -803,44 +826,18 @@ static int move_data_block(struct inode *inode, block_t bidx,
newaddr, FGP_LOCK | FGP_CREAT, GFP_NOFS);
if (!fio.encrypted_page) {
err = -ENOMEM;
- goto recover_block;
- }
-
- mpage = f2fs_pagecache_get_page(META_MAPPING(fio.sbi),
- fio.old_blkaddr, FGP_LOCK, GFP_NOFS);
- if (mpage) {
- bool updated = false;
-
- if (PageUptodate(mpage)) {
- memcpy(page_address(fio.encrypted_page),
- page_address(mpage), PAGE_SIZE);
- updated = true;
- }
f2fs_put_page(mpage, 1);
- invalidate_mapping_pages(META_MAPPING(fio.sbi),
- fio.old_blkaddr, fio.old_blkaddr);
- if (updated)
- goto write_page;
- }
-
- err = f2fs_submit_page_bio(&fio);
- if (err)
- goto put_page_out;
-
- /* write page */
- lock_page(fio.encrypted_page);
-
- if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) {
- err = -EIO;
- goto put_page_out;
- }
- if (unlikely(!PageUptodate(fio.encrypted_page))) {
- err = -EIO;
- goto put_page_out;
+ goto recover_block;
}
-write_page:
+ /* write target block */
f2fs_wait_on_page_writeback(fio.encrypted_page, DATA, true, true);
+ memcpy(page_address(fio.encrypted_page),
+ page_address(mpage), PAGE_SIZE);
+ f2fs_put_page(mpage, 1);
+ invalidate_mapping_pages(META_MAPPING(fio.sbi),
+ fio.old_blkaddr, fio.old_blkaddr);
+
set_page_dirty(fio.encrypted_page);
if (clear_page_dirty_for_io(fio.encrypted_page))
dec_page_count(fio.sbi, F2FS_DIRTY_META);
@@ -871,11 +868,12 @@ write_page:
put_page_out:
f2fs_put_page(fio.encrypted_page, 1);
recover_block:
- if (lfs_mode)
- up_write(&fio.sbi->io_order_lock);
if (err)
f2fs_do_replace_block(fio.sbi, &sum, newaddr, fio.old_blkaddr,
true, true);
+up_out:
+ if (lfs_mode)
+ up_write(&fio.sbi->io_order_lock);
put_out:
f2fs_put_dnode(&dn);
out:
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6de6cda44031..78a1b873e48a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2422,6 +2422,12 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
size_t crc_offset = 0;
__u32 crc = 0;
+ if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) {
+ f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)",
+ F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
+ return -EINVAL;
+ }
+
/* Check checksum_offset and crc in superblock */
if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) {
crc_offset = le32_to_cpu(raw_super->checksum_offset);
@@ -2429,26 +2435,20 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
offsetof(struct f2fs_super_block, crc)) {
f2fs_info(sbi, "Invalid SB checksum offset: %zu",
crc_offset);
- return 1;
+ return -EFSCORRUPTED;
}
crc = le32_to_cpu(raw_super->crc);
if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) {
f2fs_info(sbi, "Invalid SB checksum value: %u", crc);
- return 1;
+ return -EFSCORRUPTED;
}
}
- if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) {
- f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)",
- F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
- return 1;
- }
-
/* Currently, support only 4KB page cache size */
if (F2FS_BLKSIZE != PAGE_SIZE) {
f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB",
PAGE_SIZE);
- return 1;
+ return -EFSCORRUPTED;
}
/* Currently, support only 4KB block size */
@@ -2456,14 +2456,14 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
if (blocksize != F2FS_BLKSIZE) {
f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB",
blocksize);
- return 1;
+ return -EFSCORRUPTED;
}
/* check log blocks per segment */
if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) {
f2fs_info(sbi, "Invalid log blocks per segment (%u)",
le32_to_cpu(raw_super->log_blocks_per_seg));
- return 1;
+ return -EFSCORRUPTED;
}
/* Currently, support 512/1024/2048/4096 bytes sector size */
@@ -2473,7 +2473,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
F2FS_MIN_LOG_SECTOR_SIZE) {
f2fs_info(sbi, "Invalid log sectorsize (%u)",
le32_to_cpu(raw_super->log_sectorsize));
- return 1;
+ return -EFSCORRUPTED;
}
if (le32_to_cpu(raw_super->log_sectors_per_block) +
le32_to_cpu(raw_super->log_sectorsize) !=
@@ -2481,7 +2481,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)",
le32_to_cpu(raw_super->log_sectors_per_block),
le32_to_cpu(raw_super->log_sectorsize));
- return 1;
+ return -EFSCORRUPTED;
}
segment_count = le32_to_cpu(raw_super->segment_count);
@@ -2495,7 +2495,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
if (segment_count > F2FS_MAX_SEGMENT ||
segment_count < F2FS_MIN_SEGMENTS) {
f2fs_info(sbi, "Invalid segment count (%u)", segment_count);
- return 1;
+ return -EFSCORRUPTED;
}
if (total_sections > segment_count ||
@@ -2503,25 +2503,25 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
segs_per_sec > segment_count || !segs_per_sec) {
f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)",
segment_count, total_sections, segs_per_sec);
- return 1;
+ return -EFSCORRUPTED;
}
if ((segment_count / segs_per_sec) < total_sections) {
f2fs_info(sbi, "Small segment_count (%u < %u * %u)",
segment_count, segs_per_sec, total_sections);
- return 1;
+ return -EFSCORRUPTED;
}
if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) {
f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)",
segment_count, le64_to_cpu(raw_super->block_count));
- return 1;
+ return -EFSCORRUPTED;
}
if (secs_per_zone > total_sections || !secs_per_zone) {
f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)",
secs_per_zone, total_sections);
- return 1;
+ return -EFSCORRUPTED;
}
if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION ||
raw_super->hot_ext_count > F2FS_MAX_EXTENSION ||
@@ -2531,7 +2531,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
le32_to_cpu(raw_super->extension_count),
raw_super->hot_ext_count,
F2FS_MAX_EXTENSION);
- return 1;
+ return -EFSCORRUPTED;
}
if (le32_to_cpu(raw_super->cp_payload) >
@@ -2539,7 +2539,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
f2fs_info(sbi, "Insane cp_payload (%u > %u)",
le32_to_cpu(raw_super->cp_payload),
blocks_per_seg - F2FS_CP_PACKS);
- return 1;
+ return -EFSCORRUPTED;
}
/* check reserved ino info */
@@ -2550,12 +2550,12 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
le32_to_cpu(raw_super->node_ino),
le32_to_cpu(raw_super->meta_ino),
le32_to_cpu(raw_super->root_ino));
- return 1;
+ return -EFSCORRUPTED;
}
/* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */
if (sanity_check_area_boundary(sbi, bh))
- return 1;
+ return -EFSCORRUPTED;
return 0;
}
@@ -2870,10 +2870,10 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
}
/* sanity checking of raw super */
- if (sanity_check_raw_super(sbi, bh)) {
+ err = sanity_check_raw_super(sbi, bh);
+ if (err) {
f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock",
block + 1);
- err = -EFSCORRUPTED;
brelse(bh);
continue;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-31 00:21:40 +0300