[2/2] proc: fix .s_blocksize and .s_blocksize_bits
Commit Message
procfs uses seq_file's operations to process IO, and seq_file
uses PAGE_SIZE as basic operating unit, so, fix to update
.s_blocksize and .s_blocksize_bits from 1024 and 10 to PAGE_SIZE
and PAGE_SHIFT.
Signed-off-by: Chao Yu <chao@kernel.org>
---
v2:
- fix to update blocksize to PAGE_SIZE pointed out by Alexey Dobriyan.
fs/proc/root.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
@@ -173,8 +173,8 @@ static int proc_fill_super(struct super_block *s, struct fs_context *fc)
/* User space would break if executables or devices appear on proc */
s->s_iflags |= SB_I_USERNS_VISIBLE | SB_I_NOEXEC | SB_I_NODEV;
s->s_flags |= SB_NODIRATIME | SB_NOSUID | SB_NOEXEC;
- s->s_blocksize = 1024;
- s->s_blocksize_bits = 10;
+ s->s_blocksize = PAGE_SIZE;
+ s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = PROC_SUPER_MAGIC;
s->s_op = &proc_sops;
s->s_time_gran = 1;