From a9a8344ee1714f835ba394077e8c13d751e2f148 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 5 Nov 2019 17:44:17 +0100 Subject: ext4, jbd2: Provide accessor function for handle credits Provide accessor function to get number of credits available in a handle and use it from ext4. Later, computation of available credits won't be so straightforward. Reviewed-by: Theodore Ts'o Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20191105164437.32602-11-jack@suse.cz Signed-off-by: Theodore Ts'o --- fs/ext4/ext4_jbd2.c | 13 +++++++------ fs/ext4/ext4_jbd2.h | 7 ------- fs/ext4/xattr.c | 2 +- 3 files changed, 8 insertions(+), 14 deletions(-) (limited to 'fs') diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 2b98d893cda9..731bbfdbce5b 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -119,8 +119,8 @@ handle_t *__ext4_journal_start_reserved(handle_t *handle, unsigned int line, return ext4_get_nojournal(); sb = handle->h_journal->j_private; - trace_ext4_journal_start_reserved(sb, handle->h_buffer_credits, - _RET_IP_); + trace_ext4_journal_start_reserved(sb, + jbd2_handle_buffer_credits(handle), _RET_IP_); err = ext4_journal_check_start(sb); if (err < 0) { jbd2_journal_free_reserved(handle); @@ -138,10 +138,10 @@ int __ext4_journal_ensure_credits(handle_t *handle, int check_cred, { if (!ext4_handle_valid(handle)) return 0; - if (handle->h_buffer_credits >= check_cred) + if (jbd2_handle_buffer_credits(handle) >= check_cred) return 0; return ext4_journal_extend(handle, - extend_cred - handle->h_buffer_credits); + extend_cred - jbd2_handle_buffer_credits(handle)); } static void ext4_journal_abort_handle(const char *caller, unsigned int line, @@ -289,7 +289,7 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle->h_type, handle->h_line_no, handle->h_requested_credits, - handle->h_buffer_credits, err); + jbd2_handle_buffer_credits(handle), err); return err; } ext4_error_inode(inode, where, line, @@ -300,7 +300,8 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, handle->h_type, handle->h_line_no, handle->h_requested_credits, - handle->h_buffer_credits, err); + jbd2_handle_buffer_credits(handle), + err); } } else { if (inode) diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 1920b976eef1..36aa72599646 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -288,13 +288,6 @@ static inline int ext4_handle_is_aborted(handle_t *handle) return 0; } -static inline int ext4_handle_has_enough_credits(handle_t *handle, int needed) -{ - if (ext4_handle_valid(handle) && handle->h_buffer_credits < needed) - return 0; - return 1; -} - #define ext4_journal_start_sb(sb, type, nblocks) \ __ext4_journal_start_sb((sb), __LINE__, (type), (nblocks), 0) diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index b79d8ffd3e9b..48a9dbd27f43 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2314,7 +2314,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index, flags & XATTR_CREATE); brelse(bh); - if (!ext4_handle_has_enough_credits(handle, credits)) { + if (jbd2_handle_buffer_credits(handle) < credits) { error = -ENOSPC; goto cleanup; } -- cgit v1.2.3