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fs/ntfs3: Refactoring of ntfs_init_from_boot 

Remove ntfs_sb_info members sector_size and sector_bits.
Print details why mount failed.

Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov 2021-09-28 19:19:49 +03:00
parent 09f7c338da
commit dbf59e2a33
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GPG Key ID: A9B0331F832407B6
2 changed files with 9 additions and 12 deletions
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2
fs/ntfs3/ntfs_fs.h
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@ -211,10 +211,8 @@ struct ntfs_sb_info {
u32 blocks_per_cluster; // cluster_size / sb->s_blocksize
u32 record_size;
u32 sector_size;
u32 index_size;
u8 sector_bits;
u8 cluster_bits;
u8 record_bits;

19
fs/ntfs3/super.c
View File

@ -682,7 +682,7 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
struct ntfs_sb_info *sbi = sb->s_fs_info;
int err;
u32 mb, gb, boot_sector_size, sct_per_clst, record_size;
u64 sectors, clusters, fs_size, mlcn, mlcn2;
u64 sectors, clusters, mlcn, mlcn2;
struct NTFS_BOOT *boot;
struct buffer_head *bh;
struct MFT_REC *rec;
@ -740,20 +740,20 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
goto out;
}
sbi->sector_size = boot_sector_size;
sbi->sector_bits = blksize_bits(boot_sector_size);
fs_size = (sectors + 1) << sbi->sector_bits;
sbi->volume.size = sectors * boot_sector_size;
gb = format_size_gb(fs_size, &mb);
gb = format_size_gb(sbi->volume.size + boot_sector_size, &mb);
/*
* - Volume formatted and mounted with the same sector size.
* - Volume formatted 4K and mounted as 512.
* - Volume formatted 512 and mounted as 4K.
*/
if (sbi->sector_size != sector_size) {
ntfs_warn(sb,
"Different NTFS' sector size and media sector size");
if (boot_sector_size != sector_size) {
ntfs_warn(
sb,
"Different NTFS' sector size (%u) and media sector size (%u)",
boot_sector_size, sector_size);
dev_size += sector_size - 1;
}
@ -800,10 +800,9 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
: (u32)boot->index_size << sbi->cluster_bits;
sbi->volume.ser_num = le64_to_cpu(boot->serial_num);
sbi->volume.size = sectors << sbi->sector_bits;
/* Warning if RAW volume. */
if (dev_size < fs_size) {
if (dev_size < sbi->volume.size + boot_sector_size) {
u32 mb0, gb0;
gb0 = format_size_gb(dev_size, &mb0);